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Worth Glossary

Every financial term used in this library, defined in plain English. No jargon left behind.

56 articles

Beginner

43

Banking & accounts glossary

25 terms covering bank accounts, deposits, and transfers.

6 min read

Credit & debt glossary

25 terms covering credit scores, cards, and debt.

5 min read

Investing glossary

30 terms covering stocks, bonds, funds, and portfolio management.

5 min read

Retirement glossary

25 terms covering retirement accounts, withdrawals, and Social Security.

5 min read

Tax glossary

25 terms covering income tax, deductions, and tax planning.

5 min read

Insurance glossary

20 terms covering health, life, auto, and property insurance.

5 min read

Real estate glossary

20 terms covering mortgages, homebuying, and property investment.

5 min read

Behavioral finance & general glossary

20 terms covering psychology, planning, and general concepts.

5 min read

APR vs APY vs interest rate: which number actually matters

Three numbers that sound identical and aren't. Learn which one to compare when you borrow, which one when you save, and how lenders use the confusion against you.

5 min read

Recession words: soft landing, stagflation, bear market, correction

The scary words in economic headlines have precise definitions — and knowing them turns panic into perspective. Here's what each one actually means for your money.

5 min read

EIN, sole prop, pass-through: the vocabulary of starting a business

The words on the formation paperwork — entity types, tax treatments, and the IDs — translated before you pay a filing service to confuse you.

6 min read

ACH, wire, routing, SWIFT: how money actually moves

The plumbing vocabulary behind every transfer — which rails are instant, which are reversible, and which mistake costs $30,000 with no undo button.

5 min read

Deductible, coinsurance, out-of-pocket max: health insurance vocabulary

The four numbers that decide what a hospital visit costs you, the EOB that isn't a bill, and the acronyms open enrollment assumes you know.

5 min read

Amortization: how loan payments actually work

Why your early mortgage payments are almost all interest, what an amortization schedule reveals, and how one extra payment a year quietly saves five figures.

5 min read

Escrow: the account that pays your bills before you can spend the money

One word, two meanings — the neutral third party holding your deposit during a home purchase, and the account your lender uses to pay taxes and insurance. Both, decoded.

5 min read

Liquidity: how fast your money can become money

Cash in a checking account and equity in a house are both 'your money' — but only one can pay rent on Friday. Why liquidity is the hidden dimension of every asset.

5 min read

Capital gains: why holding one more day can cut your tax bill

Short-term vs. long-term is the most expensive line you can cross by accident. How gains are taxed, what the 0% bracket really is, and the calendar math that saves real money.

5 min read

Cost basis: the number that decides your tax bill when you sell

The IRS doesn't tax what you sold — it taxes the difference between sale price and basis. What adjusts it, how lot selection works, and the inheritance rule that erases decades of gains.

5 min read

Annuity: what you're buying when you trade a lump sum for a paycheck

Part insurance, part investment, part sales commission. The types of annuities, when the boring one genuinely makes sense, and the fee structures behind the steak-dinner seminars.

5 min read

Underwriting: the invisible review that prices everything you apply for

Every loan, policy, and mortgage passes through someone whose job is deciding how risky you are. What underwriters actually check, and how to look better to them.

5 min read

Principal vs. interest: which part of your payment actually gets you anywhere

Every debt payment is two payments — one shrinks what you owe, one just rents the debt for another month. How to read the split and shift it in your favor.

5 min read

Net vs. gross income: the number to use for every money decision

Salaries are quoted gross, but life is paid for net. The 25–35% gap between them, which number each financial rule actually means, and the budgeting error it causes.

5 min read

Collateral: what secured debt really means

The difference between a 7% loan and a 24% loan is usually one thing: whether the lender can take something back. How collateral works, why it's cheap, and what you're really pledging.

5 min read

Lien: the debt that sticks to the thing, not the person

Tax liens, mechanic's liens, judgment liens, and the title search that finds them. How claims attach to property, why they surface at the worst moments, and how to clear one.

5 min read

Grace period: the free time built into your bills — and when it isn't

Credit cards, mortgages, student loans, and insurance all offer 'grace' — but the word means four different things, and one of them silently costs you money the day you misuse it.

5 min read

Dollar-cost averaging: investing on a schedule instead of a hunch

Fixed amount, fixed interval, zero forecasting. Why DCA buys more shares when prices drop, what the lump-sum research actually says, and when each approach wins.

5 min read

Rebalancing: the maintenance your portfolio actually needs

Markets constantly push your portfolio away from the mix you chose. What rebalancing is, why it forces you to sell high and buy low, and how often is actually enough.

5 min read

Depreciation: the cost of ownership nobody invoices you for

Your car's biggest expense isn't gas or insurance — it's the value quietly evaporating. How depreciation works on cars, why it's a tax gift on rentals, and how to buy on the right side of the curve.

5 min read

Compound interest: the eighth wonder, decoded

Interest that earns interest is the engine behind every long-term financial plan — and the trap behind every credit card balance. How compounding works, and why time matters more than amount.

5 min read

The Rule of 72: doubling time in your head

A back-of-the-envelope trick that tells you how long money takes to double at any rate — and how fast inflation or debt halves it. The math, the limits, and where it misleads.

4 min read

The time value of money: why a dollar today beats a dollar later

Present value, future value, and discounting — the idea underneath every loan, lottery choice, and investment. What a future payment is really worth, and why 'more money later' isn't always more.

5 min read

Loan-to-value (LTV): the ratio that prices your loan and controls PMI

How much you're borrowing against what the asset is worth — the number behind your mortgage rate, your PMI, and whether you're underwater. What LTV is and how to move it.

5 min read

Opportunity cost: the price of the road not taken

Every dollar and every hour spent one way can't be spent another. The invisible cost behind spending, holding cash, and big life choices — and how to actually use it.

5 min read

Real vs. nominal: the difference inflation makes

Nominal numbers are what's printed; real numbers subtract inflation. Why a 7% return isn't 7%, why a raise can be a pay cut, and how to read money in the currency that matters.

5 min read

The sunk cost fallacy: why 'I've already spent so much' is the wrong reason

Money and time already spent are gone regardless of what you do next. The bias that keeps people in bad investments, bad subscriptions, and bad decisions — and how to escape it.

5 min read

Break-even analysis: the math behind 'is it worth it?'

Refinance points, annual-fee cards, buying vs. renting, a new appliance — they all reduce to one question: how long until the savings cover the cost? How to run the number.

5 min read

Cosigner vs. guarantor: what you're really agreeing to

Signing to help someone qualify for a loan or lease can put your own credit and cash on the line. The difference between cosigning and guaranteeing, and the risks nobody explains.

5 min read

Float: the money in transit that isn't quite anyone's yet

The gap between when a payment leaves one account and lands in another creates float — money briefly in limbo. How it helps you, how it trips you up, and why 'it's in my account' can lie.

5 min read

Statement balance, minimum, cash advance: credit card statement vocabulary

Your monthly statement is dense with terms that decide whether you pay zero interest or a fortune. Statement vs. current balance, the minimum trap, cash advances, and the fees decoded.

6 min read

Gross, net, FICA, withholding: your pay stub decoded

The document that explains where a third of your salary went, line by line. What each deduction means, which you chose, and how to read the stub most people never open.

5 min read

MSRP, APR, money factor, upside-down: car buying and financing vocabulary

The dealership runs on vocabulary designed to shift your attention to the monthly payment. Decode the price terms, the financing terms, and the lease jargon before you sign.

6 min read

Subsidized, capitalization, forbearance: student loan vocabulary decoded

Student loans come with terms that quietly determine how much you repay. Subsidized vs. unsubsidized, capitalization, deferment vs. forbearance, servicers, and income-driven plans, explained.

6 min read

Overdraft, maintenance, NSF: bank account fees decoded

Banks earn billions on fees most customers could avoid entirely. What each fee is, which are negotiable or dodgeable, and how to run accounts that quietly charge you nothing.

5 min read

Intermediate

12

Basis points, spreads, and "the Fed cut 25 bps": rate jargon decoded

What financial headlines actually mean when they talk about rates. Decode basis points, spreads, and Fed-speak so the news stops sounding like a foreign language.

5 min read

Vesting, cliffs, and forfeiture: employment-money vocabulary

Your job's fine print is worth real money. Decode vesting schedules, cliffs, RSUs, and severance terms before you sign — or quit.

5 min read

Pro-rata, lump sum, annuitize: payout vocabulary

Pensions, settlements, lotteries, and buyouts all ask the same question: how do you want the money? Learn the payout terms before someone chooses for you.

5 min read

Market, limit, stop: order types decoded before you click buy

The dropdown on every brokerage app hides real money. What each order type actually does, when each one bites, and the two most investors ever need.

5 min read

Wills, trusts, probate, POD: estate planning vocabulary

The words on the documents that decide where everything you own goes — and the beneficiary form that quietly overrules your will.

6 min read

Expense ratios, loads, and 12b-1s: the fee vocabulary that eats returns

Fund fees hide behind bland vocabulary on purpose. What each term means, where it hides, and what a single percentage point costs over 30 years.

5 min read

Earnest money, contingencies, escrow: the language of making an offer

Between 'we love it' and 'here are the keys' is a vocabulary where every word protects either your deposit or the seller's leverage. Learn it before you sign.

6 min read

Leverage: borrowing to amplify — gains and losses alike

Using other people's money to control a bigger asset multiplies your returns in both directions. How leverage works in real estate and investing, and why it's a magnifier, not a strategy.

6 min read

Solvency vs. liquidity: two ways to be in financial trouble

You can be wealthy and still unable to pay Friday's bill, or cash-flush and quietly insolvent. The difference between having enough and having it available — and why both can sink you.

5 min read

FRA, PIA, COLA, spousal: Social Security vocabulary decoded

The benefit you've paid into your whole career comes with its own dense vocabulary. Full retirement age, claiming ages, spousal and survivor rules, and the earnings test — in plain English.

6 min read

Parts A, B, C, D, Medigap, IRMAA: Medicare vocabulary decoded

Medicare is an alphabet of parts and plans with real cost consequences and hard enrollment deadlines. What each part covers, the coverage-gap traps, and the surcharge that catches higher earners.

6 min read

Revenue, margin, cash flow: reading financial statements without an MBA

The three statements behind every company — income statement, balance sheet, cash flow — and the handful of terms that let you judge a business, a stock, or your own side hustle.

6 min read

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