Founder Glossary: The First 100 Terms

Startup language is useful only when it makes decisions clearer. Do not use these terms to sound sophisticated. Use them to ask sharper questions.

The first 100 terms

Term	Plain meaning
1. Startup	A search for a repeatable, scalable business model under uncertainty.
2. Founder	A person responsible for creating and carrying the company through uncertainty.
3. Co-founder	A founder who shares ownership, risk, and major decisions.
4. Equity	Ownership in the company.
5. Cap table	The record of who owns what in the company.
6. Dilution	Reduction in ownership percentage after new shares or instruments are issued.
7. ESOP	Employee stock option plan used to give employees potential ownership upside.
8. Vesting	Earning equity or options over time or milestones.
9. Cliff	Minimum period before vesting begins.
10. MVP	Minimum viable product: the smallest product or workflow that tests a key assumption.
11. Prototype	A rough version used to explore or explain an idea.
12. Pilot	A limited customer trial, ideally with clear success criteria.
13. POC	Proof of concept, used to test technical or business feasibility.
14. ICP	Ideal customer profile: the narrow customer type you serve first.
15. Persona	A practical profile of a user, buyer, or stakeholder.
16. Buyer	The person or group that approves payment.
17. User	The person who uses the product.
18. Champion	Internal supporter who wants your solution to succeed.
19. Economic buyer	Person with budget authority.
20. Problem validation	Evidence that a real problem exists and matters.
21. Solution validation	Evidence that your approach solves the problem well enough.
22. Product-market fit	Strong pull from a market that repeatedly gets value from your product.
23. Customer discovery	Structured learning from potential customers.
24. Jobs to Be Done	A way to understand the progress a customer is trying to make.
25. Use case	A specific situation where the product creates value.
26. Workflow	The steps people currently take to get work done.
27. Value proposition	The reason a customer should care and act.
28. Positioning	How the market should understand what you are and why you matter.
29. Messaging	The words used to communicate positioning.
30. Differentiation	Why you are meaningfully different from alternatives.
31. Moat	A durable advantage that becomes harder to copy over time.
32. Wedge	Narrow entry point that lets you win one segment before expanding.
33. Market size	Estimate of how large the opportunity could become.
34. TAM	Total addressable market.
35. SAM	Serviceable available market.
36. SOM	Serviceable obtainable market.
37. GTM	Go-to-market: how you reach, sell, onboard, and retain customers.
38. Channel	A route to reach customers.
39. Distribution	The repeatable system for getting in front of customers.
40. Funnel	The journey from awareness to conversion.
41. Lead	A potential customer.
42. Qualified lead	A lead that fits the customer profile and has potential to buy.
43. Pipeline	Active sales opportunities being worked.
44. Conversion rate	Percentage moving from one step to the next.
45. Sales cycle	Time from first contact to closed deal.
46. ACV	Annual contract value.
47. ARR	Annual recurring revenue.
48. MRR	Monthly recurring revenue.
49. GMV	Gross merchandise value, often used in marketplaces.
50. Take rate	Platform revenue as a percentage of transaction value.
51. Gross margin	Revenue after direct cost of serving customers.
52. Burn	Cash spent by the company over a period.
53. Net burn	Cash outflow minus cash inflow.
54. Runway	Time until cash runs out at current burn.
55. CAC	Customer acquisition cost.
56. LTV	Lifetime value of a customer.
57. Payback period	Time needed to recover acquisition cost.
58. Churn	Customers or revenue lost over a period.
59. Retention	Customers or revenue kept over time.
60. NRR	Net revenue retention, including expansion and contraction.
61. GRR	Gross revenue retention, before expansion.
62. Activation	The moment a user first experiences meaningful value.
63. Onboarding	Helping a customer or user reach value.
64. Engagement	How often and deeply users interact with the product.
65. Cohort	A group of users or customers tracked over time.
66. North Star Metric	A metric that best represents customer value and business progress.
67. OKR	Objective and key results, used for goal-setting.
68. KPI	Key performance indicator.
69. Unit economics	Revenue and cost behavior per customer, unit, order, or transaction.
70. Contribution margin	Revenue minus variable costs tied to delivery.
71. Pricing	How you charge for value.
72. Value metric	Unit of value pricing is based on, such as seats, usage, transactions, or revenue.
73. Freemium	Free plan used to acquire users before paid conversion.
74. Free trial	Time-limited access before payment.
75. Product-led growth	Growth driven primarily by product usage and adoption.
76. Sales-led growth	Growth driven primarily by sales process.
77. Founder-led sales	Founders personally selling to learn and close early customers.
78. Discovery call	Sales conversation focused on understanding pain, context, and fit.
79. Demo	Showing the product in the context of the customer’s problem.
80. Objection	A buyer concern that blocks progress.
81. Procurement	Customer process for purchasing and vendor approval.
82. Data room	Organized folder of documents for investor or acquirer diligence.
83. Due diligence	Review of company facts before investment or acquisition.
84. Term sheet	Non-final document describing key investment terms.
85. Valuation	Implied company value used in financing or acquisition.
86. Pre-money valuation	Company value before new investment.
87. Post-money valuation	Company value after new investment.
88. SAFE	Simple agreement for future equity. Availability and terms depend on jurisdiction and advisor guidance.
89. Convertible note	Debt-like instrument that can convert into equity.
90. CCD	Compulsorily convertible debenture, often discussed in Indian financing contexts.
91. Angel investor	Individual investor backing early companies.
92. VC	Venture capital firm investing for high-growth outcomes.
93. Lead investor	Investor who anchors a round and often negotiates terms.
94. Board	Governance body responsible for company oversight.
95. Advisor	Person who helps with expertise, access, or judgment.
96. Pivot	Meaningful change in customer, problem, product, business model, or channel.
97. Shutdown	Responsible closure of a company or product path.
98. M&A	Merger or acquisition.
99. Exit	Liquidity outcome such as acquisition, secondary sale, or public listing.
100. Founder-market fit	Strong connection between founder advantage and market problem.

Terms by founder decision

Do not memorize the glossary alphabetically. Learn the terms that match the decision in front of you.

Founder decision	Terms to understand first	Why they matter
”Should I start this?”	Startup, founder-market fit, problem validation, market size, wedge, customer discovery	These decide whether the idea deserves founder time before product work begins.
”Who exactly am I building for?”	ICP, persona, buyer, user, champion, economic buyer, use case, workflow	These prevent vague products for vague markets.
”What should I build first?”	MVP, prototype, pilot, POC, activation, onboarding, value proposition, solution validation	These keep the first product focused on learning and value, not feature volume.
”How will we sell?”	GTM, channel, distribution, lead, qualified lead, pipeline, sales cycle, discovery call	These turn customer interest into a repeatable revenue process.
”Can this become a good business?”	ACV, MRR, ARR, gross margin, CAC, LTV, payback period, churn, retention, unit economics	These connect growth to cash, margin, and customer quality.
”Should we raise money?”	Runway, burn, valuation, term sheet, data room, due diligence, lead investor, dilution	These help founders understand what capital costs and what proof it must create.
”Should we hire?”	ESOP, vesting, cliff, KPI, OKR, board, advisor, founder-led sales	These help founders separate operating leverage from organizational complexity.
”Should we continue or change?”	PMF, cohort, North Star metric, pivot, shutdown, exit, M&A	These turn ambiguous progress into stage decisions.

Terms founders commonly misuse

Term	Common misuse	Better use
MVP	”A cheap first version of the full product.”	The smallest test of the riskiest assumption.
PMF	”Customers like the product.”	A specific segment repeatedly gets value, pays or commits, and pulls the product forward.
TAM	”A giant number from a report.”	A scale context that must be paired with a reachable beachhead and expansion path.
Pipeline	”Everyone who replied once.”	Opportunities with fit, pain, buyer path, next step, and probability.
Traction	”Any activity going up.”	Evidence that a real customer behavior is becoming stronger or more repeatable.
Retention	”Users have not deleted the app.”	Customers or users return, continue paying, expand, or rely on the product in a real workflow.
Moat	”A feature competitors do not yet have.”	An advantage that compounds with time, data, distribution, workflow depth, trust, or network effects.
AI-first	”We use AI.”	AI changes the customer outcome, economics, speed, quality, or defensibility of the product.
Advisor	”A famous person on the deck.”	Someone who creates specific judgment, access, credibility, or operating help.
Exit	”The founder gets rich.”	A transaction with terms, obligations, timing, taxes, investor outcomes, employee impact, and post-close reality.

India-specific usage notes

Some terms behave differently in India because buying, payments, compliance, talent, and trust often work differently from the examples founders read online.

Term	India founder note
Buyer	In SMBs and family businesses, the real buyer may be the owner, promoter, finance head, family member, or trusted operator, not the user.
Pipeline	Count collection likelihood and procurement friction, not only signed intent.
ACV	A high ACV is useful only if sales cycle, implementation, support, and collections do not crush cash flow.
CAC	Include founder travel, WhatsApp follow-ups, events, channel commissions, implementation effort, and payment delays where relevant.
Gross margin	Include support, onboarding, payment costs, field operations, and manual reconciliation if those are required to deliver value.
ESOP	Explain vesting, exercise, tax uncertainty, and liquidity reality plainly. Do not sell options as guaranteed wealth.
Compliance	Treat CA, CS, lawyer, payroll, GST/TDS, contracts, and data obligations as operating work, not annual cleanup.
Global-from-India	Separate India validation from global demand. A product can be built from India without India being the only or first customer market.

The meeting rule

When a term appears in a team, investor, advisor, or customer conversation, convert it into a sentence about your own company.

Term	Weak meeting usage	Useful meeting usage
ICP	”Our ICP is mid-market."	"Our ICP for the next 8 weeks is export manufacturing companies with 100-500 employees where the finance head owns collections.”
Activation	”Activation is improving."	"Activation means the user imports data and completes the first report within 7 days; it moved from 22 percent to 38 percent.”
Runway	”We have runway."	"At current net burn and expected collections, we have 8 months; after two planned hires, we have 5.5 months.”
Pilot	”They agreed to a pilot."	"The pilot has a buyer, start date, success criteria, price, and decision meeting.”
Pivot	”Maybe we should pivot."	"The old customer segment has weak urgency; the new segment shows paid pull, shorter sales cycle, and repeated workflow pain.”

How to use this glossary

When a term appears in a meeting, ask:

1. What does this mean in our company?
2. What decision does it affect?
3. What evidence do we have?
4. Who owns improving it?

Glossary discipline for teams

Founders should treat important terms as operating definitions, not vocabulary.

Term type	Team discipline
Customer terms	Define ICP, buyer, user, champion, and persona using real people or accounts.
Product terms	Define activation, retention, onboarding, and value moment with observable behavior.
Sales terms	Define lead, qualified lead, pipeline, pilot, proposal, and close with required evidence.
Finance terms	Define revenue, collected cash, burn, runway, gross margin, and committed spend from actual numbers.
Fundraising terms	Define traction, round, milestone, dilution, data room, and diligence in relation to the current raise.
Strategy terms	Define moat, wedge, channel, positioning, and PMF in the company’s context.

If the team cannot define a term operationally, avoid using it in decisions.

Definition drift

Startup terms drift as teams grow. Catch drift early.

Drift	Example
Metric drift	Activation used to mean first successful workflow; now it means signup.
Pipeline drift	Pipeline used to mean buyer-qualified opportunities; now it means anyone who replied.
Customer drift	ICP used to mean one narrow segment; now it includes every interested user.
Product drift	MVP used to mean riskiest-assumption test; now it means incomplete product.
Traction drift	Traction used to mean repeated customer behavior; now it means attention.

Definition drift creates false confidence. Re-define terms before important reviews, fundraising conversations, hiring plans, or board updates.

Founder vocabulary contract

For the 10-15 terms that matter to your company right now, write a vocabulary contract. This is a one-page agreement on what words mean in your operating system.

Term	Our definition	Evidence required	Owner	Review rhythm
ICP		Named segment, exclusions, examples, and disqualifiers.		Monthly
Activation		Observable user behavior that shows first value.		Weekly
Qualified lead		Fit, pain, buyer path, urgency, and next step.		Weekly
Pilot		Scope, price or commercial intent, success criteria, owner, deadline.		Per deal
Revenue		Booked, invoiced, collected, recurring, one-time, or services.		Monthly
Runway		Cash, expected collections, committed spend, and scenario assumptions.		Weekly/monthly
Retention		Customer, revenue, cohort, usage, or workflow dependency.		Monthly
PMF		Segment-specific pull, retention, willingness to pay, and sales repeatability.		Quarterly

The contract prevents one founder from saying “pipeline” and meaning real deals while another means “people who replied to an email.” Small definition gaps become large decision errors.

Investor and advisor translation

When speaking to investors or advisors, translate startup terms into proof.

If you say	Be ready to show
We have traction	Which metric, which segment, over what period, and why it matters.
We have pilots	Names or anonymized profiles, scope, success criteria, timeline, commercial next step.
We have pipeline	Stage, probability, buyer, deal size, next step, close risk, and source.
We are AI-first	How AI improves outcome, speed, cost, margin, quality, defensibility, or workflow.
We have PMF signals	Retention, expansion, referrals, sales velocity, segment pull, and churn reasons.
We are capital efficient	Burn, runway, revenue quality, hiring plan, and milestone per rupee/dollar.
We have a moat	Data, distribution, workflow depth, trust, network effects, switching cost, or operational advantage.

The stronger your translation, the less you need buzzwords.

Customer-safe language

Founders should not always use startup language with customers. Customers care about their own work.

Startup term	Customer-safe translation
MVP	Early version focused on solving one specific workflow.
Pilot	Limited rollout with success criteria and a clear next decision.
Activation	The first useful outcome you should get from using this.
Value metric	The unit we charge on because it tracks the value you receive.
Retention	Whether this keeps being useful after the first use.
Workflow	The way your team currently gets this job done.
ROI	Time saved, money earned, cost avoided, risk reduced, or quality improved.
Integration	How this fits into the tools and process you already use.

Good customer language reduces perceived risk. It says, “We understand your work,” not “We read startup blogs.”

Terms to revisit before major moments

Before important company moments, revisit the relevant definitions.

Moment	Revisit these terms
Starting discovery	ICP, persona, buyer, user, workflow, problem validation.
Building MVP	MVP, prototype, activation, value proposition, solution validation.
Selling first customers	Lead, qualified lead, pipeline, discovery call, demo, pilot, objection.
Raising capital	Burn, runway, traction, valuation, dilution, data room, due diligence.
Hiring	ESOP, vesting, role scorecard, KPI, OKR, culture.
Scaling	CAC, LTV, payback, churn, retention, NRR, gross margin, unit economics.
Considering pivot	PMF, cohort, North Star metric, pivot, shutdown, exit.

Vocabulary is not separate from execution. It shapes what the team notices, measures, and rewards.

For a deeper reference, see the Startup Glossary.