153. Startup Glossary

This glossary is not here to make founders sound sophisticated. It is here to reduce confusion when a term affects a real decision.

Whenever a term matters, ask three questions:

What does this mean in our company?
Which decision does it affect?
What evidence would make the answer less vague?

Core startup terms

Term	Meaning	Founder use
Startup	A company searching for a repeatable, scalable business model under uncertainty.	Use this to separate learning work from normal business execution.
Small business	A business with a known model, usually optimized for stability and cash flow.	Useful when deciding whether venture-style growth is actually needed.
MVP	The smallest product or service version that tests the riskiest assumption.	Prevents teams from building a polished product before learning.
PMF	Product-market fit: a segment repeatedly gets value, pays or commits, and pulls the product forward.	Helps founders know when to scale and when to keep validating.
ICP	Ideal customer profile: the customer type most likely to buy, use, retain, and expand.	Guides sales, marketing, product, and support focus.
Wedge	A narrow entry point into a larger market.	Helps a startup start small without staying small.
Moat	A durable advantage that makes the company harder to copy or displace.	Useful when planning long-term defensibility, not just early traction.
Pivot	A meaningful change in customer, problem, product, channel, or business model based on learning.	Keeps founders from confusing stubbornness with conviction.
Runway	Months the company can operate before cash runs out.	Sets hiring, fundraising, and spending urgency.
Burn	Net cash the company spends per month.	Shows whether learning speed is affordable.

Customer and product terms

Term	Meaning	Founder use
Customer discovery	Structured conversations to understand customer problems, buying behavior, and current alternatives.	Prevents building from imagination alone.
Activation	The first moment a user experiences meaningful value.	Shows whether onboarding and the product promise are working.
Retention	Customers or users continuing to use or pay over time.	The clearest test of whether value repeats.
Cohort	A group of customers or users who started in the same period or through the same source.	Reveals whether newer users are healthier than older ones.
Churn	Customers, users, or revenue leaving.	Shows where value, fit, support, or pricing is breaking.
North Star metric	A single metric that represents delivered customer value and company growth.	Aligns product and growth work around value, not vanity.
Time to value	Time from signup or onboarding start to first meaningful outcome.	Helps founders reduce friction before adding features.
Workflow	A repeatable sequence of steps a user completes to get a job done.	Useful for measuring B2B product adoption.
Feature adoption	How many relevant users use a feature meaningfully.	Helps decide what to improve, remove, or build next.

Market and strategy terms

Term	Meaning	Founder use
TAM	Total addressable market: the broad total opportunity if everyone who could buy did buy.	Useful for scale context, dangerous if used without a wedge.
SAM	Serviceable available market: the part of the market your product, geography, and model can realistically serve.	Helps narrow ambition into reachable opportunity.
SOM	Serviceable obtainable market: the portion you can plausibly win in a defined period.	More useful for operating plans than a giant TAM.
Beachhead	The first narrow market segment you choose to win.	Creates focus for product, sales, support, and proof.
Category creation	Teaching customers a new buying frame.	Can be powerful but expensive because education burden is high.
Differentiation	The meaningful reason a customer chooses you over alternatives.	Guides product, pricing, sales, and messaging.
Defensibility	Reasons your advantage can strengthen over time.	Helps avoid businesses that are easy to copy after launch.
Distribution	The repeatable path by which customers discover, trust, and buy.	Often more important than product cleverness early.

Sales and marketing terms

Term	Meaning	Founder use
Lead	A person or company showing some interest.	Weak unless quality is defined.
SQL	Sales-qualified lead: a lead with enough fit, pain, authority, urgency, or next-step clarity to enter sales.	Keeps the pipeline from becoming a wish list.
Opportunity	A real possible deal with pain, owner, next step, and commercial path.	Helps founders forecast revenue honestly.
Pipeline	Future potential revenue by stage.	Useful only when stages are well-defined and updated.
Win rate	Percentage of qualified opportunities that close.	Reveals quality of ICP, discovery, pricing, proof, and sales process.
ACV	Annual contract value.	Helps compare customer segments and sales motions.
CAC	Customer acquisition cost.	Shows how much it costs to win customers, ideally by channel and segment.
Payback	Time to recover acquisition cost from gross profit or collected cash.	Critical for cash-constrained founders.
Positioning	The place you want to occupy in the customer’s mind relative to alternatives.	Makes sales, marketing, product, and pricing sharper.
Category	The buying frame customers use to understand what you are.	Matters when customers need a mental shelf before they buy.

SaaS and metrics terms

Term	Meaning	Founder use
MRR	Monthly recurring revenue.	Tracks recurring subscription base.
ARR	Annual recurring revenue, usually MRR multiplied by 12.	Useful for annualized view, but should not include one-time services.
New MRR	Recurring revenue from new customers.	Shows new sales growth.
Expansion MRR	Additional recurring revenue from existing customers.	Shows customers are getting more value.
Contraction MRR	Revenue lost from downgrades or reduced usage.	Early warning before churn.
GRR	Gross revenue retention before expansion.	Shows how much existing revenue is retained without upsells.
NRR	Net revenue retention including expansion, contraction, and churn.	Shows whether existing customers grow or shrink as a base.
Gross margin	Revenue minus direct cost of delivery, as a percentage of revenue.	Shows how scalable the model may be.
Burn multiple	Net burn divided by net new ARR in a period.	Connects cash burn to recurring revenue creation.

AI and technology terms

Term	Meaning	Founder use
LLM	Large language model, software trained to generate and interpret language-like outputs.	Useful for product capability, automation, support, content, coding, and analysis workflows.
Prompt	Instructions and context given to an AI system.	Matters because vague prompts produce vague or unreliable output.
RAG	Retrieval-augmented generation: using retrieved source material to ground AI responses.	Useful when product answers must reference company, customer, or domain data.
Fine-tuning	Training or adapting a model for a narrower task or style.	Should be considered after simpler prompting, retrieval, or workflow design.
Evaluation	Testing AI output quality against examples, criteria, and failure cases.	Critical before trusting AI in customer-facing or high-stakes workflows.
Hallucination	AI output that sounds confident but is wrong or unsupported.	Requires product guardrails, citations, review, or constrained workflows.
API	Application programming interface.	How software systems exchange data or capabilities.
SLA	Service-level agreement.	Matters for enterprise trust, uptime expectations, and support commitments.
SOC 2	A security and controls audit framework common in B2B SaaS procurement.	May matter for enterprise sales; founders should assess timing and cost.

Fundraising and ownership terms

Term	Meaning	Founder use
Equity	Ownership in the company.	Determines founder, employee, and investor economics.
Dilution	Reduction in ownership percentage after issuing more shares.	Helps founders understand the cost of capital.
Valuation	Price at which investment converts into ownership.	Important, but terms and investor quality also matter.
SAFE	A financing instrument that converts later, usually on a priced round or trigger.	Common globally, but structure and local enforceability need legal review.
Convertible note	Debt-like instrument that may convert into equity later.	Requires attention to interest, maturity, discount, and cap.
CCPS	Compulsorily convertible preference shares, common in Indian venture rounds.	Often used for institutional rounds in India.
ESOP	Employee stock option plan.	Helps hire and retain, but needs proper governance and communication.
Data room	Organized set of documents for diligence.	Reduces fundraising and acquisition friction.
Term sheet	Non-final summary of key investment terms.	Needs careful review before signing.

India operating terms

Term	Meaning	Founder use
DPIIT recognition	Startup recognition process under Startup India.	Can matter for schemes, tenders, and some benefits, but founders should verify current eligibility.
GST	Goods and Services Tax.	Affects invoicing, collections, pricing, and compliance. Review with a CA.
ROC	Registrar of Companies.	Important for company filings and corporate records.
PAN	Permanent Account Number.	Basic tax identity.
TAN	Tax Deduction and Collection Account Number.	Relevant where tax deduction obligations apply. Review with a CA.
UPI	Unified Payments Interface.	Critical payment rail for many Indian consumer and SMB products.
Account Aggregator	Consent-based financial data-sharing framework.	Relevant for fintech and credit-adjacent products.
ONDC	Open Network for Digital Commerce.	Relevant for some commerce, logistics, seller, and buyer-network models.

Operating terms

Term	Meaning	Founder use
OKR	Objectives and key results: goals plus measurable outcomes.	Helps align work when the team grows beyond direct founder control.
KPI	Key performance indicator.	Tracks important business health, but can become vanity if poorly chosen.
Decision log	Record of important decisions, reasoning, owner, and review date.	Prevents repeated debates and lost context.
SOP	Standard operating procedure.	Helps repeat work without founder memory.
Incident	A meaningful failure affecting customers, systems, data, trust, or operations.	Should trigger learning and follow-up, not only blame.
Postmortem	Structured review after an incident, failure, launch, or shutdown.	Turns painful events into better operating judgment.
Diligence	Review process by investors, acquirers, lenders, or partners.	Rewards clean records, metrics, contracts, and governance.

Legal and commercial terms

These terms should help founders prepare for professional advice. They are not a substitute for legal, tax, accounting, or company-secretarial guidance.

Term	Meaning	Founder use
Incorporation	Creating the legal entity that operates the business.	Affects ownership, contracts, tax, compliance, banking, and fundraising.
Founder agreement	Agreement between founders on ownership, roles, vesting, exits, IP, conflict, and decision rights.	Prevents co-founder ambiguity from becoming company risk.
SHA	Shareholders’ agreement.	Defines investor and shareholder rights beyond basic share ownership.
SSA	Share subscription agreement.	Covers how new shares are issued and paid for in a financing.
IP assignment	Document assigning intellectual property created by founders, employees, or contractors to the company.	Important for diligence, acquisition, and product ownership.
NDA	Non-disclosure agreement.	Useful for sensitive information, but should not replace trust, access control, or judgment.
MSA	Master services agreement.	Sets general commercial terms for a customer or vendor relationship.
SOW	Statement of work.	Defines scope, deliverables, timeline, payment, and responsibilities for a specific project.
SLA	Service-level agreement.	Sets support, uptime, response, or service expectations.
DPA	Data processing agreement.	Matters when handling customer, user, employee, or other personal data.
Indemnity	Promise to cover certain losses or claims.	Can create serious risk; review before accepting broad language.
Limitation of liability	Contract clause limiting financial exposure.	Protects the company if something goes wrong.
Governing law	The legal jurisdiction used to interpret a contract.	Matters in cross-border contracts and disputes.
Termination clause	How either side can end an agreement.	Affects customer commitments, refunds, data, support, and vendor dependency.
Auto-renewal	Contract renews automatically unless cancelled.	Useful for retention, but must be clear and fair.

Hiring and team terms

Term	Meaning	Founder use
Role scorecard	Written definition of outcomes, skills, traits, and evaluation criteria for a role.	Prevents hiring from becoming taste, charisma, or urgency.
Work sample	Practical test resembling real work.	Reveals judgment, communication, pace, and tradeoffs better than interviews alone.
Reference check	Conversation with someone who has worked with the candidate.	Helps understand strengths, risks, management style, and integrity.
Probation	Initial review period for fit and performance.	Should be clear in offer expectations and local employment context.
Notice period	Time required before an employee leaves after resignation.	Affects hiring timelines, transition planning, and candidate availability.
CTC	Cost to company.	Common India compensation term; founders should explain fixed pay, variable pay, benefits, and equity separately.
ESOP pool	Shares/options reserved for employees and advisors.	Affects hiring capacity and founder/investor dilution.
Vesting schedule	Timeline by which equity or options are earned.	Aligns long-term contribution with ownership economics.
Culture	The behavior a company rewards, tolerates, repeats, and refuses.	More useful than values posters when hiring and firing.
Manager leverage	The additional output created by a manager through clarity, feedback, hiring, and prioritization.	Helps founders know when management work is real work.

Marketplace, consumer, and transaction terms

Term	Meaning	Founder use
GMV	Gross merchandise value, total transaction value through a marketplace or platform.	Shows transaction scale, but not revenue or margin.
Take rate	Revenue captured as a percentage of GMV.	Helps understand marketplace economics.
Liquidity	How quickly supply and demand match successfully in a marketplace.	More important than raw users in many marketplaces.
Supply	Sellers, service providers, inventory, workers, creators, or assets available on the platform.	One side of marketplace health.
Demand	Buyers, users, employers, viewers, or customers seeking value.	The other side of marketplace health.
Frequency	How often a customer has the need.	Affects retention, habit, CAC payback, and product design.
AOV	Average order value.	Useful for commerce, marketplaces, and transaction models.
Repeat purchase	Customer buys again after the first transaction.	Often a stronger signal than first-order discounts.
Contribution margin	Revenue minus variable cost for an order, customer, or transaction.	Shows whether growth can become profitable.
Network effect	Product becomes more valuable as more relevant users, data, or participants join.	Powerful only when quality and matching improve with scale.

AI trust and product terms

Term	Meaning	Founder use
Model	AI system that produces predictions, classifications, recommendations, text, images, code, or actions.	Founders should understand inputs, outputs, cost, quality, and failure modes.
Agent	AI workflow that can plan, use tools, or take steps toward a goal.	Useful only when task boundaries, permissions, evaluation, and rollback are clear.
Context window	Amount of information an AI model can consider at once.	Affects product design, retrieval, memory, and cost.
Grounding	Connecting AI output to trusted source material or system data.	Reduces unsupported answers in customer-facing workflows.
Human-in-the-loop	Human review, approval, or escalation in an AI workflow.	Important where errors are costly, sensitive, or hard to reverse.
Guardrail	Product, policy, evaluation, or workflow constraint that prevents unacceptable AI behavior.	Needed before using AI in high-stakes or customer-facing tasks.
Evaluation set	Examples and expected behaviors used to test AI quality.	Converts “the AI feels good” into measurable review.
Drift	Model or workflow quality changes as inputs, customers, or context change.	Requires monitoring after launch, not only pre-launch testing.
Latency	Time taken to produce a response.	Affects UX, cost, architecture, and perceived quality.
Token cost	Cost based on text or data processed by AI systems.	Important for pricing, margins, and product limits.

Term-to-decision map

Use this map when jargon appears in a meeting. The right response is usually not “define the term”; it is “decide what we will do with it.”

If the word is…	Ask this decision question	Related action
ICP	Which customer segment will we serve and refuse for the next 4-8 weeks?	Update outreach, landing page, product scope, and sales notes.
PMF	Which segment shows repeated pull, retention, payment, and referrals?	Decide whether to scale, narrow, or keep validating.
Runway	What decision gets forced if cash does not improve by a specific date?	Adjust hiring, cuts, sales focus, collections, or fundraising plan.
CAC	Which channel creates retained, paying customers at an acceptable payback?	Shift budget/time by segment and channel.
Churn	Why did customers leave and what pattern is controllable?	Fix onboarding, product gap, segment fit, support, or expectation setting.
Pipeline	Which deals have buyer, pain, next step, and decision process?	Remove stale deals and focus founder follow-up.
Moat	What advantage gets stronger as the company grows?	Invest in data, workflow depth, distribution, trust, or network effects.
ESOP	What ownership promise are we making to employees and how will we explain it honestly?	Review pool, grant size, vesting, exercise, and communication.
Diligence	What would an investor or acquirer find messy if they inspected today?	Clean records, contracts, metrics, IP, cap table, and compliance docs.

How to use terms in practice

Never use a term as decoration. Turn it into a decision.

Example:

Term: activation
Company definition: a school admin uploads student data and sends the first parent report
Decision: onboarding priority this week
Evidence: percentage of new schools reaching that moment in seven days
Owner: product or founder

That is how jargon becomes an operating tool.

Founder translation table

Many startup terms sound impressive but hide a simple operating question. Translate jargon back into work.

Term people use	Founder translation
Product-market fit	Do the right customers repeatedly get value, pay, stay, and pull us forward?
ICP	Which customer should we serve first, and which customers should we refuse for now?
Moat	What will make us harder to copy after we get traction?
GTM	How will customers reliably discover, trust, buy, activate, and stay?
Unit economics	Does serving this customer or transaction become profitable after real costs?
CAC payback	How long is cash trapped before acquisition spend pays back?
Activation	Did the customer reach first meaningful value?
Retention	Does value repeat without founder heroics?
Churn	Which customers leave, why, and what does it reveal about fit?
Runway	How many months of decisions remain before cash forces the next move?
Bridge round	Are we extending time to a stronger milestone or delaying a hard truth?
Strategic investor	Does the investor create distribution or risk control, exclusivity, and conflicts?

When a meeting gets abstract, use this table to bring the team back to action.

Terms to define internally

Some words are dangerous if every person uses a different meaning.

Define these inside your company:

Term	Company-specific definition to write
Qualified lead	Who exactly qualifies, based on segment, problem, budget, authority, and urgency?
Activated user/customer	What action proves first value in your product?
Active account	What repeated behavior counts as real usage?
Churn risk	Which signals mean a customer is likely to leave?
Expansion opportunity	What usage, team, or business signal suggests upsell potential?
Pilot success	What result makes the customer and startup agree to continue commercially?
Launch	Is it a press moment, a customer learning moment, or a revenue push?
Done	What quality, documentation, testing, and release criteria must be met?

Internal definitions reduce arguments. They also make metrics, hiring, product, sales, and investor updates cleaner.

Founder term review ritual

Run this review when a term starts appearing often in meetings, updates, dashboards, or investor conversations.

Term	Our definition	Owner	Evidence source	Review trigger
ICP
Activation
Qualified lead
Churn risk
Pilot success
Runway

Use this rule:

If a term affects product, sales, finance, hiring, or fundraising decisions, define it in company-specific language.

Example:

Vague term	Better company definition
Active customer	A customer who completes the core workflow at least twice in the last 30 days.
Qualified lead	A prospect in our target segment with a current pain, named owner, reachable buyer, and next step within 14 days.
Pilot success	Customer reaches agreed outcome, confirms value, and agrees to paid continuation or expansion discussion.

Definitions should evolve when the company learns, but they should not change quietly to make metrics look better.

Terms That Must Become Metrics

Some words should not remain words. They should become measurable company definitions.

Term	Metric version
Activated	User/customer reached the first value moment within a defined time window.
Qualified lead	Prospect matches ICP and has need, authority path, urgency, and next step.
Healthy account	Account meets usage, value, payment, support, and champion-health thresholds.
Churn risk	Specific usage, support, payment, or relationship signals show risk of leaving.
Expansion-ready	Account has value proof, broader use case, budget path, and strong champion.
Successful pilot	Customer reaches agreed outcome and agrees to paid continuation or explicit next step.
Launch-ready	Product, message, analytics, support, and follow-up are ready for the chosen audience.
Investor-ready	Story, metrics, documents, use of funds, risks, and target investor list are prepared.

Write these definitions into dashboards, CRM fields, founder updates, and review meetings. If a term changes, record why.

A startup becomes easier to run when important words stop floating and start controlling decisions.

Glossary Operating Cadence

A glossary is useful only if the team uses the same words in meetings, dashboards, customer calls, investor updates, and product decisions. When definitions drift, founders start arguing from different realities.

Run a 30-minute glossary review once a month or before a major milestone:

Step	Question	Output
Pick 5-10 active terms	Which words are affecting decisions right now?	Short list: ICP, activation, qualified lead, churn risk, launch-ready, investor-ready.
Compare usage	Does product, sales, finance, and founder language mean the same thing?	Misalignment list.
Attach evidence	What data, behavior, document, or owner proves the definition?	Evidence standard for each term.
Update systems	Where must the definition live?	CRM field, dashboard, playbook, investor update, sales notes.
Record changes	Why did the definition change?	Decision log entry with date and owner.

Use this rule for changing definitions:

Definitions may change because the company learned something true.
Definitions should not change to make weak performance look stronger.

If “active customer” becomes easier to qualify when retention is falling, the glossary is being used to hide reality. If “qualified lead” becomes stricter after the team learns which buyers actually close, the glossary is improving judgment.

The founder should own the first version of important definitions. As the team grows, each function can own its definitions, but the founder still owns consistency across the company.

Jargon-to-decision rewrites

When the team uses a fancy term, rewrite it into the decision it should affect.

Jargon sentence	Better founder sentence
”We need better GTM.”	Which customer segment, channel, message, and sales motion will we test for the next 30 days?
”We need PMF.”	Which segment is repeatedly getting value, paying, staying, and pulling us forward?
”CAC is high.”	Which channel or segment costs too much after conversion, gross margin, collections, and retention?
”We need a moat.”	What advantage can start small and become stronger through data, workflow, distribution, trust, or network effects?
”Activation is weak.”	Which first-value step are users failing to complete, and why?
”Pipeline is strong.”	Which deals have pain, buyer, next step, timeline, and commercial path?
”We need senior talent.”	Which repeated decision or execution bottleneck requires a more experienced person now?
”Investors want traction.”	Which proof would reduce the biggest financing risk at our stage?
”Customers need education.”	Are we teaching a new category, explaining unclear value, or selling to the wrong buyer?

Use this in meetings. If a term cannot be translated into a decision, metric, owner, or customer behavior, it may be decoration.

Customer-safe language rule

Founders often use investor or startup jargon with customers. That can create distance. Translate language by audience.

Startup term	Customer-safe version
AI-powered workflow automation	We reduce the manual steps your team repeats every week.
End-to-end platform	One place to manage [specific workflow] from [start] to [finish].
Productivity layer	Your team spends less time on [manual task] and more time on [valuable work].
Data-driven insights	We show which [business issue] needs attention first and why.
Seamless integration	It works with [tool/process] without changing your whole workflow.
Scalable solution	It should keep working as your team, customers, or transactions grow.
Category-defining	A new way to solve [specific problem] that current tools handle poorly.

Use the customer’s words wherever possible. If customers say “monthly close is painful,” do not force “finance productivity platform” into every conversation. Good positioning often starts by respecting the buyer’s plain language.

Glossary misuse warning signs

Watch for these signals that terms are hiding weak thinking.

Warning sign	What to do
The team says “SMB” but means different company sizes, industries, and buyers.	Define the current ICP and refusal list.
”Active user” changes whenever metrics look weak.	Freeze the definition for a review period and record changes.
”Pilot” means free usage, paid proof, implementation, or sales delay depending on the conversation.	Define pilot success, scope, price, owner, and next decision.
”Launch” means PR to one person and revenue push to another.	Decide launch goal: learning, revenue, distribution, hiring, or credibility.
”Enterprise-ready” means whatever the largest prospect asks for.	Define security, support, integrations, contracts, and reliability requirements explicitly.
”AI agent” is used before the workflow, permission, evaluation, and failure mode are clear.	Define task boundary, data access, human review, and rollback.

The founder should treat repeated jargon confusion as an operating bug. Fixing language often fixes decisions.