Financial Glossary

Essential terms in personal finance, defined plainly.

A clear reference across the eight pillars of personal finance — each term written to be understood the first time.

Reference

Terms across the eight pillars.

Budgeting

Zero-Based Budget

A method where every dollar of income is assigned to a category — spending, saving, or debt — so income minus allocations equals zero.

Budgeting

Discretionary Spending

Non-essential expenses such as dining out, entertainment, and travel, which can be adjusted without affecting basic needs.

Budgeting

Fixed Expense

A recurring cost that stays roughly the same each period, such as rent, insurance premiums, or a loan payment.

Credit

APR

Annual Percentage Rate: the yearly cost of borrowing expressed as a percentage, including interest and certain fees.

Credit

Credit Utilization

The share of your available revolving credit currently in use; lower utilization generally supports a stronger credit score.

Credit

Hard Inquiry

A lender's formal review of your credit report during an application, which can temporarily lower your score.

Saving

Emergency Fund

Liquid savings, typically three to six months of essential expenses, reserved for unexpected income loss or urgent costs.

Saving

High-Yield Savings Account

A savings account that pays a materially higher interest rate than a standard bank account while remaining fully liquid.

Saving

Compound Interest

Interest calculated on both the original principal and previously accumulated interest, causing balances to grow at an accelerating rate.

Investing

Index Fund

A fund designed to mirror the composition of a market index, offering broad diversification at low cost.

Investing

Expense Ratio

The annual fee a fund charges its investors, expressed as a percentage of assets under management.

Investing

Asset Allocation

The mix of stocks, bonds, and other asset classes in a portfolio, chosen to match an investor's goals and risk tolerance.

Investing

Dollar-Cost Averaging

Investing a fixed amount at regular intervals regardless of price, smoothing out entry points over time.

Taxes

Marginal Tax Rate

The tax rate applied to your next dollar of income, rather than the average rate applied to your entire income.

Taxes

Standard Deduction

A fixed dollar amount that reduces taxable income for filers who do not itemize deductions.

Taxes

Tax-Advantaged Account

An account such as a 401(k), IRA, or HSA that offers tax benefits on contributions, growth, or withdrawals.

Real Estate

Escrow

A neutral account that holds funds or documents until the agreed conditions of a real estate transaction are satisfied.

Real Estate

Amortization

The gradual repayment of a loan through scheduled payments that cover both interest and principal over time.

Real Estate

PMI

Private Mortgage Insurance: a premium typically required when a conventional mortgage down payment is less than 20 percent.

Entrepreneurship

Pass-Through Entity

A business structure where profits are taxed on the owner's personal return rather than at the entity level.

Entrepreneurship

Gross Margin

Revenue minus the direct cost of producing goods or services, expressed as a percentage of revenue.

Entrepreneurship

Runway

The length of time a business can operate before exhausting its cash reserves at the current burn rate.

Financial Planning

Term Life Insurance

Coverage for a fixed period that pays a death benefit only if the insured passes away within that term.

Financial Planning

Net Worth

The value of everything you own minus everything you owe — a snapshot of overall financial position.

Financial Planning

Fiduciary

An advisor legally obligated to act in the client's best interest, above their own or their firm's compensation.