Glossary
Business terminology grouped by topic. Each cluster page covers 8-12 related terms with full prose definitions, formulas where relevant, and cross-references between related terms.
- Accounting Fundamentals
Core accounting concepts: EBITDA, EBIT, COGS, accrual vs. cash, deferred revenue, depreciation, and the line items that anchor every financial conversation.
- Startup Funding
Pre-money, post-money, SAFE, convertible note, 409A, liquidation preference, pro rata, and the rest of the venture capital vocabulary.
- Equity & Compensation
Vesting, cliff, ISO vs. NSO, RSU, strike price, exercise window, and the rest of the employee equity vocabulary.
- Business Entities
LLC, S-Corp, C-Corp, sole proprietorship, partnership, B-Corp — the legal structures and their trade-offs.
- Sales & Marketing Metrics
MQL, SQL, pipeline velocity, ACV, ARR, MRR, NRR, GRR, and the rest of the GTM measurement vocabulary.
- SaaS Metrics
Churn types, expansion revenue, magic number, rule of 40, and the SaaS-specific measurements that define unit economics and valuation.
- Financial Statements
Line items on the income statement, balance sheet, and cash flow statement — what each one means and how they connect.
- M&A Terminology
LOI, due diligence, earn-out, escrow, rep & warranty, and the rest of the merger and acquisition vocabulary.
- Contracts & Legal
NDA, MSA, SOW, indemnification, force majeure, arbitration, and the contract terms that drive commercial relationships.
- Intellectual Property
Trademark, copyright, patent types, trade secret, fair use — the IP categories and their commercial implications.
All terms (A-Z)
- 409A valuation
Startup Funding
- Acceleration (single-trigger and double-trigger)
Equity & Compensation
- Accrual vs. cash accounting
Accounting Fundamentals
- Accruals and matching principle
Accounting Fundamentals
- ACV (Annual Contract Value)
Sales & Marketing Metrics
- Anti-dilution provisions
Startup Funding
- Arbitration
Contracts & Legal
- ARPU / ARPA / ARPC
SaaS Metrics
- ARR (Annual Recurring Revenue)
Sales & Marketing Metrics
- Assignment and change of control
Contracts & Legal
- Assignment of inventions
Intellectual Property
- B-Corporation
Business Entities
- Balance sheet
Financial Statements
- Bookings, billings, and revenue
SaaS Metrics
- Break-up fee / reverse break-up fee
M&A Terminology
- C-Corporation
Business Entities
- CAC payback period
SaaS Metrics
- Cap table
Equity & Compensation
- Capex vs. opex
Accounting Fundamentals
- Cash flow statement
Financial Statements
- Cliff
Equity & Compensation
- Closing conditions
M&A Terminology
- COGS
Accounting Fundamentals
- Cohort retention
SaaS Metrics
- Common vs. preferred stock
Equity & Compensation
- Convertible note
Startup Funding
- Copyright
Intellectual Property
- Current vs. non-current
Financial Statements
- Deferred revenue
Accounting Fundamentals
- Definitive agreement (SPA / APA)
M&A Terminology
- Delaware advantage
Business Entities
- Depreciation and amortization
Accounting Fundamentals
- Discount
Startup Funding
- Drag-along and tag-along rights
Startup Funding
- Due diligence
M&A Terminology
- Earn-out
M&A Terminology
- Earnest money / deposit
M&A Terminology
- EBIT
Accounting Fundamentals
- EBITDA
Accounting Fundamentals
- Escrow
M&A Terminology
- Exercise window
Equity & Compensation
- Expansion revenue
SaaS Metrics
- Fair use
Intellectual Property
- Force majeure
Contracts & Legal
- Founder shares and 83(b) election
Equity & Compensation
- Free cash flow
Financial Statements
- General partnership
Business Entities
- Goodwill
Accounting Fundamentals
- Governing law and venue
Contracts & Legal
- Gross profit and gross margin
Financial Statements
- GRR (Gross Revenue Retention)
Sales & Marketing Metrics
- Income statement (P&L)
Financial Statements
- Indemnification
Contracts & Legal
- ISO (Incentive Stock Option)
Equity & Compensation
- Limitation of liability
Contracts & Legal
- Limited liability partnership (LLP)
Business Entities
- Limited partnership (LP)
Business Entities
- Liquidation preference
Startup Funding
- LLC (Limited Liability Company)
Business Entities
- Logo churn vs. revenue churn
SaaS Metrics
- LOI (Letter of Intent)
M&A Terminology
- LTV / CAC ratio
SaaS Metrics
- MAC clause (Material Adverse Change)
M&A Terminology
- Magic number
Sales & Marketing Metrics
- Magic number
SaaS Metrics
- MQL (Marketing Qualified Lead)
Sales & Marketing Metrics
- MRR (Monthly Recurring Revenue)
Sales & Marketing Metrics
- MSA (Master Services Agreement)
Contracts & Legal
- NDA (Non-Disclosure Agreement)
Contracts & Legal
- Net dollar churn (and net revenue retention)
SaaS Metrics
- Net income
Financial Statements
- Non-compete and non-solicit
Contracts & Legal
- NRR (Net Revenue Retention)
Sales & Marketing Metrics
- NSO / NQSO (Non-Qualified Stock Option)
Equity & Compensation
- Open source license
Intellectual Property
- Operating expenses (OpEx)
Financial Statements
- Operating income (EBIT)
Financial Statements
- Operating leverage
Accounting Fundamentals
- Pass-through taxation
Business Entities
- Patent (design)
Intellectual Property
- Patent (utility)
Intellectual Property
- Pay-to-play
Startup Funding
- Piercing the corporate veil
Business Entities
- Pipeline velocity
Sales & Marketing Metrics
- Pre-money and post-money valuation
Startup Funding
- Pro rata rights
Startup Funding
- Public domain
Intellectual Property
- Quick ratio (SaaS)
SaaS Metrics
- Reps and warranties
M&A Terminology
- Revenue
Financial Statements
- Right of publicity
Intellectual Property
- RSU (Restricted Stock Unit)
Equity & Compensation
- Rule of 40
SaaS Metrics
- S-Corporation
Business Entities
- SAFE (Simple Agreement for Future Equity)
Startup Funding
- Sales cycle length
Sales & Marketing Metrics
- Sole proprietorship
Business Entities
- SOW (Statement of Work)
Contracts & Legal
- SQL (Sales Qualified Lead)
Sales & Marketing Metrics
- Stockholders' equity
Financial Statements
- Strike price
Equity & Compensation
- Termination for convenience
Contracts & Legal
- Trade secret
Intellectual Property
- Trademark
Intellectual Property
- Trademark dilution
Intellectual Property
- Valuation cap
Startup Funding
- Vesting
Equity & Compensation
- Win rate
Sales & Marketing Metrics
- Working capital
Accounting Fundamentals
- Working capital adjustment
M&A Terminology