Startup Terms & Definitions
204 startup / founder terms across 13 categories used within this site. Define to help you better navigate the startup world.
10X Feature
A single product capability so disproportionately valuable that it makes switching to your startup a no-brainer, even if the rest of the product is mediocre.
1st Party Data
Data you collect directly from your users or customers — like email, behavior, and transactions.
ABM
Account-Based Marketing — a GTM strategy that targets high-value accounts with personalized campaigns.
Accelerator
A time-bound startup program that provides mentorship, seed funding, and access to investors in exchange for equity.
Accretive Value
Value that grows over time — savings, efficiency, or revenue that builds your case as indispensable.
ACV
Annual Contract Value — the average value of a customer's contract, normalized over one year.
Advisor
A trusted guide who helps a founder navigate strategy, capital, or scale without daily execution.
Agentic
Describes AI tools that operate semi-autonomously — capable of reasoning, taking actions, and chaining steps to reach goals.
AGI
Artificial General Intelligence — a theoretical AI that can learn and perform any intellectual task a human can. Not real yet, but the long-term goal.
Agile
A flexible software development approach that emphasizes collaboration, iterative progress, and responsiveness to change.
AI
Artificial intelligence systems used to automate, predict, or personalize in the startup stack.
Alliances
Strategic relationships that expand reach, credibility, or capability.
Analytics
Data insights that drive product, growth, or decision-making loops.
Angel
An individual who invests personal funds in very early-stage startups, often before institutional VC is involved.
API
Application Programming Interface — a way for different software systems to talk to each other programmatically.
API-First
A design approach where your product is built to be accessed via APIs from day one — common in SaaS and platform models.
ARR
Annual Recurring Revenue — the predictable yearly revenue from subscriptions or contracts.
Attribution
The process of identifying which channels or campaigns contributed to a conversion.
B2B
Business-to-Business — a business model where a company sells products or services to other businesses.
B2C
Business-to-Consumer — a business model where a company sells directly to individual customers.
Bias for Action
A cultural or leadership value where speed is favored over deliberation — essential in early-stage startups.
Board Member
A governance seat influencing strategic direction and protecting investor interests.
Board Seat
A formal position on your startup's board of directors, typically granted to lead investors or key stakeholders.
Bridge
A short-term round of funding meant to extend runway until the next larger round (usually a SAFE, convertible note, or loan).
Burn Rate
The rate at which your company is spending money each month.
Cap Table
Capitalization Table — a spreadsheet showing who owns what % of a company, including investors, founders, and employees.
CFO
Chief Financial Officer — oversees budgeting, cash flow, and fundraising strategy.
Champion Network
A group of users, stakeholders, or buyers who advocate for your product inside an organization.
Channel
A pathway to acquire or serve customers—sales, partnerships, platforms.
Churn
The percentage of users or customers who stop using your product or cancel their subscription over time.
CI/CD
Continuous Integration / Continuous Deployment — automating code integration, testing, and release workflows.
Cliff
The initial period (usually 12 months) before any equity vests for a new hire.
Close Rate
The percentage of sales opportunities that convert into paying customers.
Coach
A sounding board focused on the founder's clarity, resilience, and decisions.
Compliance
Meeting regulatory or security standards to enable trust or enter markets.
Conative Index
A profile tool that shows how you naturally act and solve problems — your instinctive operating style.
Consultant
An external specialist brought in to solve or accelerate a defined scope.
Consumption
How much of your product gets used—tied to value, engagement, or revenue.
Context Window
The amount of text (in tokens) the model can consider at once. Bigger context = longer memory, more nuanced output.
Core Metrics
The 3-5 KPIs that define success for growth, product, or retention.
Cost Center
A part of the business that consumes money without directly generating revenue.
COTS
Commercial Off The Shelf—buy instead of build software to go faster.
CRM
Customer Relationship Management — software that tracks and manages your interactions with leads and customers.
Culture Fit
How well a candidate aligns with your startup's values, mission, and team dynamics.
Customer Acquisition Cost
The total cost of acquiring a new customer, including marketing, sales, and other related expenses.
Customer Loyalty
Willingness of a user to stick, rebuy, or refer—proof of product trust.
Data in Product
Operational use of data inside the product UX, not just dashboards.
DAU
Daily Active Users — the number of unique users who engage with your product each day.
Delight Loop
Moments in product that surprise users and drive engagement/retention.
Delivered Value
The actual benefit the user gets—not promised, but experienced.
Demo
A live or recorded walkthrough of your product given to a prospective customer.
Deployment
Getting your product live in customer environments—cloud, on-prem, hybrid.
DevOps
The culture and practice of combining software development and IT operations for faster delivery and reliability.
Disagree and Commit
A principle where team members can challenge a decision, but once it's made, everyone aligns and executes.
Distraction Zone
Founders' trap of doing work that looks like progress but isn't.
Downstream
The cascade of effects or integrations triggered by your product.
Drag Along
A clause in investor agreements allowing majority shareholders to force minority shareholders to sell in an acquisition.
DTC
Direct-to-Consumer — a brand or product that sells directly to end customers without relying on retailers or wholesalers.
Early Adopter
A user who takes a chance on new products before mainstream validation.
Earn The Right
A framework that emphasizes proving your value and building credibility before asking for investment or customer commitment.
Economies of Scale
Unit cost decreases as volume increases—critical to margins.
Ecosystem
The interconnected players and tools around your startup or sector.
Efficiency Zone
Operating with max output per effort—after product-market fit.
Embedding
Turning text into a vector of numbers so models can search, compare, or cluster meaning — used in RAG, search, and similarity tasks.
Equity Grant
Stock options or shares given to employees as part of compensation.
ESOP
Employee Stock Option Plan — the program startups use to grant equity to employees.
ETR
Earn The Right—prove traction before expanding resources or markets.
Evangelist
A user or team member who passionately promotes your startup externally.
Evidence Over Outcome
Focus on proof of progress (signals) before big wins (results).
Experiment Zone
Where you try cheap tests to prove or kill ideas fast.
Fact Finder
A conative style — you thrive on research, information, and detailed analysis before acting.
Fame
Reputation, credibility, or social proof that signals you as someone worth betting on.
Features
Product capabilities—often overbuilt, rarely the main value.
Feedback Loop
User input that shapes product, growth, or retention automatically.
Few-Shot Prompting
A prompt strategy where you show the model a few examples to guide its response structure or tone.
Fine-Tuning
Training a model further on your own data — helps it learn your tone, domain, or specific outputs more precisely.
Fireworks
Startup shorthand for goals that are specific, measurable, and momentum-driving — not vague aspirations.
Follow Thru
A conative style — you love structure, sequencing, and reliable processes.
Founder
The person who starts and leads the startup from 0 to traction.
Founder Bias
When a founder's personal beliefs or optimism override objective decision-making.
Founder Decision Matrix
A framework to help prioritize decisions during chaos by balancing intuition, data, and risk.
Founder Delusion
Belief that vision equals value without validation.
Founder Fit
The alignment between a founder’s natural instincts and the specific demands of the startup they’re building.
Founder Led
When the founder still drives product and GTM—not fully delegated.
Founder Validation Ladder
Steps to prove you're solving a real, painful problem.
Friction
Anything that slows a user from getting value—signup, UX, pricing.
Funding
External capital to accelerate learning, hiring, or GTM.
Funnel
A visual model of your customer journey — from awareness to conversion to retention.
Goldilocks Zone
The sweet spot where a founder has just enough traction or credibility to raise interest and funding.
GTM
Go-To-Market—how you acquire, convert, and retain customers.
Hallucination
When a model generates a confident but false or made-up answer — common risk in LLMs.
Hijack the Microphone
Insert yourself into industry conversations or narratives.
ICP
Ideal Customer Profile is the archetype of a customer who gets maximum value from your product that you can actually access, will pay, and can close.
Implementor
A conative style — you like building, touching, testing, and bringing ideas into the physical world.
Incubator
A longer-term support system for early-stage startups that offers resources, workspace, and guidance, typically pre-investment.
Inference
The act of running a model to get a prediction or output. Every AI response you get is an inference.
Integrations
Connections to other tools or platforms your customers already use.
Investor Update
A structured message sent regularly to investors or advisors, summarizing progress, metrics, asks, and challenges.
ITB
In The Building—internal buy-in from the customer org.
ITB RTB
Internal + Ready To Buy—decision-maker + budget alignment.
KPI
Key Performance Indicator — a measurable value that tracks progress toward a business goal.
Latency
The time delay between a user action and system response — critical for performance.
Lead
A person or company who has expressed interest or fits your ICP — not yet qualified.
Lead Qualification
Scoring if a lead is likely to buy and worth pursuing.
Lean Startup
A methodology that focuses on building a product iteratively based on continuous user feedback to reduce waste and accelerate learning.
Lifetime Value
The total revenue a business can expect from a single customer throughout their relationship.
LLM
Large Language Model — a class of AI trained on massive text data to predict and generate human-like text.
LOI
Letter of Intent — a non-binding agreement showing that a customer or partner is seriously interested in your solution.
LTV:CAC
The ratio of customer lifetime value to acquisition cost. >3:1 is considered healthy.
Market Accessibility
How easy it is to reach and sell to your target segment.
Market Validation
Proof real people in a real market want what you're building.
MAU
Monthly Active Users — the number of unique users who engage with your product each month.
MDP
Minimum Delightful Product — an early version that not only functions but sparks joy or surprise, creating user retention and advocacy.
Measurement Loop
Systematic way to learn from metrics and act on them.
Mentor
Someone ahead of you helping you avoid landmines and think sharper.
Micro-Service
An architectural approach where a system is split into independent, loosely-coupled components that communicate via APIs.
Mission-Critical
A product or feature that's essential to a customer's operation — turning off would break their system.
Model
An AI system trained to predict, generate, or classify data. In startups, this usually refers to a foundation model like GPT or a fine-tuned version.
Monolith
A single, tightly coupled application where all components are built and deployed together.
MRR
Monthly Recurring Revenue — the total predictable revenue you expect to earn each month.
MVO
Minimum Viable Offer—first thing you can sell that proves real value.
MVP
Minimum Viable Product — the smallest version of a product that can be tested with real users to validate core assumptions and gather feedback.
Non-Dilutive
Funding that doesn't require giving up equity — e.g., grants, revenue-based financing, or loans.
NRR
Net Revenue Retention — how much revenue you retain from existing customers, accounting for upgrades, downgrades, and churn.
Objection Handling
The skill of addressing a prospect's concerns in a way that re-aligns them with the value of the product.
Observability
How well you can see into your system's behavior and performance.
Onboarding
The first user experience that drives activation or abandonment.
Only Metric That Matters
The single number that reflects your current startup stage's success (e.g., activation rate, retention).
OPPM
One Page Project Manager — a visual tool that maps goals, tasks, risks, and KPIs into one simple page.
PaaS
Platform as a Service — tools that help developers build, host, and scale applications without managing infrastructure.
Painkiller
A must-have solution to a painful, urgent problem.
Partner
An external org that helps you sell, integrate, or grow faster.
Payback Period
The number of months it takes to recover your CAC from a customer's revenue.
Peer Group
Other founders at your level—critical for sanity and signal.
Personas
Archetypes of your ideal users to design and sell better.
Pipeline
The set of sales opportunities at different stages from lead to close — usually visualized as a funnel.
Pivot
A sharp change in product, customer, or GTM based on new learnings.
Pixel
A tiny piece of code embedded on your site to track user actions for ad targeting.
PLG
Product-Led Growth — a growth strategy where user acquisition, expansion, and retention are driven by the product itself.
Porter's 5 Forces
A framework for analyzing the competitive forces in an industry, including threat of new entrants, bargaining power of suppliers, bargaining power of buyers, threat of substitute products, and rivalry among existing competitors.
Priced Round
A fundraising round where a specific valuation is set, shares are priced, and equity percentages are locked in.
Pricing
How you capture value—model, strategy, and perceived worth.
Problem Severity
How urgent, frequent, and painful the target problem is.
Problem Statement
Clear articulation of the user's core problem, not solution.
Product Led Growth
When product usage itself drives acquisition and retention.
Product-Market Fit
When a product satisfies a strong market demand, evidenced by strong user growth, retention, and revenue.
Progress Over Perfection
Move fast, learn, improve—don't wait for perfect.
Prompt
The input you send to an AI model. What you say shapes what the model does — prompts are the new programming.
Prospects
Potential customers in your funnel, not yet converted.
Qualified Lead
A lead that meets your criteria for readiness to buy.
Quick Start
A conative style — you prefer fast action, experimenting, and adapting on the fly.
RAG
Retrieval-Augmented Generation — an AI method where the model pulls live external data to answer questions more accurately.
Red Dot
A metaphor for being in the worst startup quadrant: no traction, no fame — just an idea with no proof.
Retargeting
Showing ads to users who've visited your site or taken a specific action, reminding them to come back.
Retention
How well you keep users over time—proof of value.
Retentions
Likely redundant—use 'retention'.
Reversible Decision
A choice you can easily undo—bias toward action.
Roadmap
Your product development plan.
RTB
Ready To Buy—buyer has budget, authority, and urgency.
Runway
How many months your startup can survive before running out of cash at your current burn rate.
SaaS
Software as a Service — software that's hosted online and accessed via subscription instead of being installed.
SAFE
Simple Agreement for Future Equity — a founder-friendly legal doc that lets startups raise money without setting a valuation.
Sale Led Growth
Sales team drives growth through outbound and deal closing.
Sales Channels
Different ways you reach and close customers—direct, reseller, etc.
SAM
Serviceable Available Market — the portion of the TAM your startup can serve based on product, geography, or ability to reach them.
Scale
Growing efficiently without breaking the system or value.
Scope
The boundaries of what you will and won't do in a feature or phase.
Scrum
A framework within Agile that structures work into sprints (usually 2–4 weeks) with defined roles and ceremonies.
Seat
A unit of user access—often tied to pricing in SaaS.
Seed Round
The first formal round of equity fundraising, typically following angels or accelerators, used to validate the core business.
SEO
Search Engine Optimization—driving organic traffic and visibility.
Series A
The first institutional round after seed — used to scale product, grow revenue, and expand team aggressively.
Signal
A clue that something's working—early traction, user behavior, etc.
Signals
Multiple indicators of traction or fit—used for prioritization.
SLA
Service Level Agreement—your uptime/support commitment to users.
Solution Positioning
Framing your product as the best solution to a known problem.
SOM
Serviceable Obtainable Market — the realistic percentage of SAM your startup can win based on your execution and resources.
SQL
Sales Qualified Lead — a lead that has been vetted and is ready for a sales conversation.
Steps to SOL
How many steps a customer would go through before they would cut or replace you. The fewer, the riskier.
Stickiness
How often users come back—proof of habit or reliance.
Strategy
The path to win based on your strengths, market, and insight.
Sweat Equity
Ownership you earn by working, not investing cash.
Switching Cost
The effort, time, or risk to change tools—can be a moat.
Systematic Execution
Consistent, disciplined operations that compound progress.
TAM
Total Addressable Market — the total revenue opportunity available if everyone who could use your product did.
TCV
Total Contract Value — the total revenue from a contract, including all upfront and recurring charges.
Technical Lock In
How your tech makes it hard to leave—APIs, data, behavior.
Traction
Traction is real-world proof that people want what you’ve built. Measured by usage, revenue, or momentum that investors can’t ignore.
Trust Currency
The reputation and social proof that makes people buy or join.
Uptime
The percentage of time your system or product is operational and available to users.
User Onboarding
The guided experience that turns signups into active users.
User Output
What the user produces with your tool—often the value.
Value Chain
The sequence of steps that add value in your market.
Value Creation
How you generate outcomes that matter to users/customers.
VC
Venture Capitalist — an investor or firm that provides capital to startups in exchange for equity, aiming for high-return exits.
Vesting Schedule
The timeline over which equity granted to an employee becomes theirs.
Waitlist
A list of users who've expressed interest in your product before launch — early signal of demand.
Warrants
Contracts that give an investor the right to buy shares at a specific price later, often used in debt or convertible instruments.
Wow Moment
That single experience where the user gets the magic.
XXX Led Growth
Placeholder—replace 'xxx' with product, sales, or community.
YC
Y Combinator — the most prominent accelerator in the world, known for backing Dropbox, Airbnb, and Stripe.
Zero-Cash Day
The exact projected date when your startup will run out of money. The most important calendar event in any early-stage startup, critical for fundraising and runway planning.
Zero-Shot Prompting
Prompting a model with no examples — relying entirely on its pre-trained knowledge.