Plain-language reference

Accounting words should help you think—not hide the idea.

Use these definitions as starting points, then test each term inside an entry, statement, schedule, or decision.

Accounting equation
Assets = Liabilities + Equity. Every valid transaction keeps this relationship in balance.
Accrual accounting
Records economic events when they are earned or incurred, not simply when cash moves.
Adjusted trial balance
The list of ledger balances after adjusting entries and before financial statements.
Allowance for doubtful accounts
A contra-asset estimate of receivables that are not expected to be collected.
Asset
A present economic resource controlled by an entity as a result of past events.
Break-even point
The activity level where total contribution margin exactly covers fixed costs.
Capital expenditure
A cost that creates or improves a long-term asset and is recognized over more than one period.
Closing entry
A period-end entry that transfers temporary-account balances to equity and resets them to zero.
Contra account
An account paired with another account that reduces its carrying amount, such as accumulated depreciation.
Contribution margin
Sales minus variable costs; the amount available to cover fixed costs and profit.
Cost of goods sold
The cost assigned to inventory that was sold during the period.
Credit
The right side of an account. Credits increase liabilities, equity, and revenue, and decrease assets and expenses.
Current asset
An asset expected to be realized, sold, or consumed in the normal operating cycle or within twelve months.
Debit
The left side of an account. Debits increase assets and expenses, and decrease liabilities, equity, and revenue.
Deferred revenue
Cash received before the related performance obligation has been satisfied; normally a liability.
Depreciation
Systematic allocation of a tangible asset’s depreciable amount over its useful life.
Direct cost
A cost that can be traced economically to a specific cost object.
Equity
The residual interest in assets after deducting liabilities.
Expense
A decrease in assets or increase in liabilities that reduces equity, other than owner distributions.
FIFO
First-in, first-out: the oldest inventory costs are assigned to cost of goods sold first.
Flexible budget
A budget restated for the actual activity level so performance comparisons are meaningful.
General journal
The chronological record where transactions and adjustments are first entered.
General ledger
The complete set of accounts that collects the effects of journal entries.
Gross profit
Net sales minus cost of goods sold.
HST
Harmonized Sales Tax. Registrants generally record tax collected and eligible input tax credits separately.
Impairment
A reduction when an asset’s carrying amount is not recoverable under the applicable accounting framework.
Indirect cost
A cost that cannot be traced economically to one cost object and must be allocated.
Internal control
Policies and procedures that support reliable reporting, efficient operations, and compliance.
Journal entry
A balanced record identifying the accounts and debit or credit amounts affected by an event.
Liability
A present obligation to transfer an economic resource because of past events.
Materiality
Whether information could reasonably influence the decisions of users of financial statements.
Normal balance
The debit or credit side on which an account ordinarily increases.
Perpetual inventory
A system that updates inventory and cost of goods sold with each purchase and sale.
Periodic inventory
A system that determines ending inventory and cost of goods sold at period end.
Relevant cost
A future cost that differs between decision alternatives.
Income
Increases in assets or decreases in liabilities that increase equity, other than owner contributions; income includes revenue and gains.
Revenue
Income arising from the entity’s ordinary activities, such as sales or service fees.
Source document
Evidence of a transaction, such as an invoice, receipt, bank memo, or credit note.
Trial balance
A list of ledger balances used to check whether total debits equal total credits.
Variance
The difference between an actual result and a budgeted or standard amount.
Working capital
Current assets minus current liabilities; a basic short-term liquidity measure.