Finance and accounting, in plain language.

50 terms for founders, controllers, and fractional CFOs. Start with a definition, then follow a guide for more context.

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13-week cash flow

A weekly forecast of cash receipts, cash payments, and ending cash for the next 13 weeks. It helps a business anticipate shortfalls and plan near-term funding.

409A valuation

An estimate of the fair market value of a private company’s common stock used when setting stock option exercise prices for US tax purposes. It is distinct from the preferred stock valuation negotiated in a financing.

Read the guide: Cap table cleanup before a raise: what breaks, and how to fix it in a week
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A

Accounts payable

Amounts a business owes suppliers for goods or services it has received but has not yet paid for.

Read the guide: Month-end close checklist for a founder-led company
Accounts receivable

Amounts customers owe a business for goods or services already delivered and billed.

Read the guide: Month-end close checklist for a founder-led company
Accrual

A record of revenue earned or an expense incurred before the related cash is received or paid. Accruals put activity in the period it belongs to.

Read the guide: Accrued expenses and reversing entries at month end
Amortization

The systematic allocation of an intangible asset’s cost or a prepaid expense over the periods that benefit. In lending, amortization means paying down loan principal over time.

Read the guide: Prepaid expense amortization: a monthly close schedule
ARR (annual recurring revenue)

The annualized value of recurring revenue from active customer subscriptions at a point in time, usually excluding one-time fees. ARR is an operating metric, not revenue recognized under accounting standards.

Read the guide: Investor due diligence checklist: the 22 documents seed and Series A investors ask for
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B

Balance sheet

A financial statement showing a business’s assets, liabilities, and equity at a specific date. Assets equal liabilities plus equity.

Read the guide: Month-end close checklist for a founder-led company
Bank reconciliation

A comparison of the cash balance in the books with the bank statement that explains timing differences and identifies items requiring correction.

Read the guide: Bank reconciliation with the evidence attached: closing cash so it holds up later
Borrowing base

The amount of borrowing supported by eligible collateral, typically receivables and inventory, after applying the lender’s advance rates, exclusions, and reserves. Actual borrowing is also subject to the credit facility’s limit and terms.

Read the guide: Lender reporting requirements: what a credit agreement makes a borrower send, and when
Burn multiple

Net cash burn divided by net new ARR over the same period, used to assess how much cash a subscription business spends to grow. It is not meaningful when net new ARR is zero or negative.

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C

Cap table

A capitalization table showing a company’s ownership, including shares and instruments such as options, warrants, SAFEs, and convertible notes. It should state the assumptions used to calculate ownership percentages.

Read the guide: Cap table cleanup before a raise: what breaks, and how to fix it in a week
Cash runway

The estimated time before available cash runs out at an assumed rate of net cash burn. Changes in collections, spending, or financing can change that estimate.

Try the tool: Startup runway and raise size calculator
Convertible note

A loan that can convert into equity under specified conditions, often at a later financing. Unlike a typical SAFE, it generally carries interest and a maturity date.

Read the guide: From SAFEs to a priced round: what your first real diligence will ask for
Covenant

A promise in a contract, often a loan agreement, to meet specified financial tests or follow operating and reporting requirements.

Read the guide: The covenant compliance certificate: what it states, who signs it, and why a late one is a default
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D

Data room

An organized collection of company documents made available to authorized reviewers during fundraising, financing, or a transaction.

Read the guide: Startup data room: what to put in it, how to organize it, and what investors actually do with it
Deferred revenue

A liability recorded when a customer is billed or pays before the business has delivered the promised goods or services. Revenue is recognized as those obligations are fulfilled.

Read the guide: Month-end close checklist for a founder-led company
Deposit in transit

A deposit recorded in the company’s books that has not yet appeared on the bank statement at the reconciliation date.

Read the guide: Bank reconciliation with the evidence attached: closing cash so it holds up later
Depreciation

The systematic allocation of a tangible asset’s cost, less its estimated residual value, over its useful life. It is an accounting expense rather than a current cash payment.

Read the guide: Fixed asset depreciation schedule for the month-end close
Dilution

A reduction in an existing holder’s percentage ownership when additional shares are issued or instruments convert into shares.

Read the guide: From SAFEs to a priced round: what your first real diligence will ask for
Discount

In a SAFE or convertible note, a reduction from the new investors’ share price used to calculate the holder’s conversion price. The agreement determines how it interacts with a valuation cap.

Read the guide: From SAFEs to a priced round: what your first real diligence will ask for
DSCR (debt service coverage ratio)

A measure of earnings or cash flow available to cover required debt payments, divided by debt service for the same period. The loan agreement defines the numerator, payment obligations, and adjustments.

Read the guide: How to calculate leverage, debt service coverage and minimum EBITDA for a compliance certificate
Due diligence

A structured review of a company’s financial, legal, commercial, and operating information before an investment, loan, or transaction.

Read the guide: Investor due diligence checklist: the 22 documents seed and Series A investors ask for
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E

EBITDA

Earnings before interest, taxes, depreciation, and amortization, used as a measure of operating performance. It is not cash flow and does not account for working capital needs or capital spending.

Read the guide: How to calculate leverage, debt service coverage and minimum EBITDA for a compliance certificate
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F

Fixed asset register

A detailed record of long-lived tangible assets, including cost, purchase and in-service dates, useful lives, depreciation, and disposals. It supports the fixed asset balances in the books.

Read the guide: Fixed asset depreciation schedule for the month-end close
Flux analysis

A comparison of financial balances or results with a prior period or budget to identify and explain significant changes.

Read the guide: Flux analysis that explains itself: variance review for a founder-led company
Fully diluted

An ownership calculation that assumes specified convertible securities, options, and warrants become shares, often including the unissued option pool. The financing documents determine exactly what is included.

Read the guide: Cap table cleanup before a raise: what breaks, and how to fix it in a week
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G

General ledger

The central accounting record that groups a business’s transactions by account and provides the balances used to prepare financial statements.

Read the guide: Month-end close checklist for a founder-led company
Gross margin

Revenue less the direct cost of providing the goods or services sold, commonly expressed as a percentage of revenue. It shows what remains to cover operating expenses and profit.

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H

Headroom

The cushion between a measured financial result and a covenant limit. For a maximum ratio it is the room below the ceiling; for a minimum ratio it is the room above the floor.

Read the guide: How to calculate leverage, debt service coverage and minimum EBITDA for a compliance certificate
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J

Journal entry

A record of a transaction or adjustment in the accounting system, with equal total debits and credits and an explanation of the change.

Read the guide: Month-end close checklist for a founder-led company
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L

Lead sheet

A summary workpaper that groups related account balances and ties them to the financial statements and supporting schedules.

Read the guide: Prepaid expense amortization: a monthly close schedule
Leverage ratio

A measure of debt relative to an earnings, asset, or equity base. In lending it often means debt divided by EBITDA, using the definitions and adjustments in the credit agreement.

Read the guide: How to calculate leverage, debt service coverage and minimum EBITDA for a compliance certificate
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M

Materiality

The significance of an omission or misstatement that could influence a financial statement user’s decisions. Both the amount and the nature of the item matter.

Month-end close

The process of completing, reconciling, and reviewing a month’s accounting records so financial statements can be prepared.

Read the guide: Month-end close checklist for a founder-led company
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N

Net burn

The amount by which cash payments exceed cash receipts over a period, commonly measured monthly and excluding financing flows. Teams should state which cash flows their calculation includes.

Try the tool: Startup runway and raise size calculator
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O

Option pool

Shares reserved under an equity incentive plan for grants to employees, directors, or other eligible service providers. The pool can include outstanding awards and shares still available for future grants.

Read the guide: Cap table cleanup before a raise: what breaks, and how to fix it in a week
Outstanding check

A check issued and recorded in the books that has not yet cleared the bank at the reconciliation date.

Read the guide: Bank reconciliation with the evidence attached: closing cash so it holds up later
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P

PBC list

A “prepared by client” list of documents, schedules, and explanations an auditor requests from the company. It assigns the information needed to support the audit.

Read the guide: Your first audit: what the PBC list actually asks for, and how much of it your close already made
Post-money valuation

A company’s equity valuation immediately after a financing. In a straightforward priced equity round, it equals the pre-money valuation plus the new investment.

Read the guide: From SAFEs to a priced round: what your first real diligence will ask for
Pre-money valuation

A company’s negotiated equity valuation immediately before new investment in a financing. The treatment of converting securities and the option pool affects the ownership calculation.

Read the guide: From SAFEs to a priced round: what your first real diligence will ask for
Prepaid expense

An asset recorded when a business pays for a benefit it will receive in future periods, such as insurance or software access. The cost becomes an expense as the benefit is used.

Read the guide: Prepaid expense amortization: a monthly close schedule
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Q

Quality of earnings

An analysis of how sustainable and repeatable a company’s reported earnings are, including unusual items, accounting choices, and the relationship between earnings and cash flow.

Read the guide: Financial due diligence: what your close already produced
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R

Reversing entry

A journal entry that offsets a prior period’s adjustment, usually at the start of the next period. It helps prevent double counting when the underlying invoice or payment is recorded.

Read the guide: Accrued expenses and reversing entries at month end
Revolver

A revolving credit facility that lets a borrower draw, repay, and draw again within an agreed limit and term. Availability depends on the agreement’s conditions and any borrowing base.

Run rate

An estimate of annual performance made by extending a recent month or quarter across a full year. It assumes that period is representative and can be misleading when activity is seasonal or unusual.

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S

SAFE

A simple agreement for future equity gives an investor contractual rights to equity on specified future events in exchange for funding now. A typical SAFE is not debt and has no interest or maturity date.

Read the guide: From SAFEs to a priced round: what your first real diligence will ask for
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V

Valuation cap

A contractual valuation ceiling used to calculate a SAFE or convertible note’s conversion price. It is not necessarily the company’s current valuation or a ceiling on its next financing valuation.

Read the guide: From SAFEs to a priced round: what your first real diligence will ask for
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W

Working capital

Current assets minus current liabilities, a measure of resources available to support short-term operations. Transaction and lending agreements may define adjusted working capital differently.

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