Money glossary

Money words, in plain language.

The words that come up in NestiFi’s lessons, each explained in a sentence or two. Look one up here, or tap an underlined word in any lesson.

Definitions explain what words mean. They are not financial advice.

Two people reading through a financial form together at a table

Read the small print

64 money terms, explained

From APR to net pay, in words that make sense the first time.

64 terms, A to Z

Terms starting with A

AllowanceEveryday money

Money a child gets regularly from family, sometimes for doing chores at home.

Called pocket money in Ireland and the UK.

Related: Income, Savings goal

APRBorrowing and credit

Short for annual percentage rate: the yearly cost of borrowing, shown as a percentage. For most loans it counts interest and some fees, but for a credit card it is just the yearly interest rate.

Related: Interest, Loan, Credit card

APYBanking

Short for annual percentage yield: how much interest a savings account would pay over a year, counting interest earned on interest. It makes savings accounts easy to compare.

Called AER (annual equivalent rate) in Ireland and the UK.

Related: Savings account, Compound interest, APR

Automatic paymentBanking

Permission for a company to collect a bill from a bank account automatically, usually on the same date each month.

Called a direct debit in Ireland and the UK.

Related: Checking account, Expenses

Terms starting with B

BankBanking

A business that keeps people's money in accounts, lets them pay and get paid, and lends money to others.

Related: Checking account, Savings account, Credit union

BudgetEveryday money

A plan for the money coming in: how much goes to bills and everyday spending, how much is saved, and what is left over.

A monthly budget lists income at the top, then each expense underneath it.

Related: Income, Expenses, Savings goal

Buy now, pay laterBorrowing and credit

A way of splitting the price of something into smaller payments, often over a few weeks. It is a form of borrowing, and missed payments can bring fees.

Related: Credit, Debt

Terms starting with C

Checking accountBanking

A bank account for everyday money: getting paid, paying bills and spending with a debit card. It usually pays little or no interest.

Called a current account in Ireland and the UK.

Related: Savings account, Debit card, Overdraft

Compound interestSaving and investing

Interest earned on interest. Each time interest is added, the next amount is worked out on the bigger total, so savings grow faster over time. Debts can grow the same way.

At 10% a year, 100 becomes 110 after one year, then 121 after two, because the second year's interest is on 110.

Related: Interest, APY, Investing

Cooling-off periodBorrowing and credit

A short time after some purchases or agreements when the buyer can cancel without giving a reason. In the US it applies only in some cases, such as certain sales made at a person's home.

Related: Loan, Credit

CreditBorrowing and credit

Borrowing money, or buying something now and paying for it later. Whoever gives the credit expects to be paid back, usually with interest.

Related: Loan, Credit card, Credit report

Credit cardBorrowing and credit

A card for borrowing up to a set limit to pay for things. Any amount not paid back by the due date usually starts costing interest.

Related: Credit, Minimum payment, APR, Debit card

Credit reportBorrowing and credit

A record of someone's borrowing and repayments, including any missed payments. Lenders check it before agreeing to lend. In the US, companies called credit bureaus keep these records, and each of the three main ones has its own report on a person.

Related: Credit score, Loan

Credit scoreBorrowing and credit

A three-digit number, worked out from a credit report, that sums up how someone has handled borrowing. Lenders use it to decide whether to lend and at what rate.

Related: Credit report, Credit

Credit unionBanking

A not-for-profit group that offers savings, loans and other money services to its members, who also own it.

Related: Bank, Loan

Terms starting with D

Debit cardBanking

A card that pays for things using money already in a bank account. The money leaves the account right away.

Related: Checking account, Credit card, PIN

DebtBorrowing and credit

Money owed to someone else, such as a loan, an unpaid credit card balance or an overdue bill.

Related: Loan, Minimum payment, Credit

DeductibleStaying protected

The amount the policyholder pays first, before the insurer starts to pay. With health insurance it usually counts over a whole year, not per claim.

Called an excess in Ireland and the UK.

Related: Insurance, Premium

DeductionsWork, pay and tax

Amounts taken out of gross pay before it is paid, such as income tax, Social Security tax and retirement savings.

Related: Gross pay, Net pay, Income tax

Deposit protectionBanking

A government-backed promise to pay savers back if their bank or credit union fails. Savings at most banks are covered by the FDIC, and at most credit unions by the NCUA, up to $⁠250,000 per person at each one.

Related: Bank, Savings account

DiversificationSaving and investing

Spreading money across many different investments, so one doing badly has less effect on the total.

Related: Investing, Index fund

Terms starting with E

Emergency fundSaving and investing

Money set aside for surprise costs, like a broken phone or a sudden bill, so they can be paid without borrowing.

Related: Savings account, Budget

ETFSaving and investing

Short for exchange-traded fund: one investment that holds many shares or bonds at once, and is bought and sold on a stock exchange like a single share.

Related: Index fund, Stocks, Diversification

Exchange rateBanking

How much of one country's money it takes to buy another country's money. Exchange rates change every day.

ExpensesEveryday money

Money that goes out to pay for things. Some expenses stay the same each month, like rent, and some change, like food.

Related: Budget, Income

Terms starting with G

Gross payWork, pay and tax

Pay before anything is taken out. Income tax and other deductions come off gross pay to leave net pay.

Related: Net pay, Deductions, Pay stub

Terms starting with I

Identity theftStaying protected

When someone steals another person's details, such as their name, date of birth or account numbers, and uses them to borrow money or buy things in that person's name.

Related: Scam, Phishing, Credit report

Impulse buyEveryday money

Something bought on the spot, without planning, because it looked good in the moment.

Related: Needs and wants, Budget

IncomeEveryday money

Money that comes in, such as pay from a job, money from family, or money earned by selling things.

Related: Gross pay, Net pay, Budget

Income taxWork, pay and tax

Tax paid on money earned, such as pay from a job. In many countries, including Ireland and the US, employers take it out of each payment before the money arrives.

Related: Tax credit, Deductions, Tax return

Index fundSaving and investing

A fund that follows a market index, a list of companies standing for part of the market, so its value rises and falls with that whole group.

Called a tracker fund in Ireland and the UK.

Related: ETF, Diversification

InflationSaving and investing

Prices rising over time, so the same amount of money buys a little less each year.

Related: Interest, Investing

InsuranceStaying protected

Paying a regular amount to an insurer, so that if something covered goes wrong, like a car accident or a burst pipe, the insurer helps pay the cost.

Related: Premium, Deductible

InterestBorrowing and credit

The price of borrowing money, or the reward for saving it. Borrowers pay interest to lenders, and banks pay interest to savers.

Related: Compound interest, APR, APY

InvestingSaving and investing

Putting money into something, such as shares or a fund, hoping it grows in value over time. Unlike savings in a bank, the value can go down as well as up.

Related: Stocks, Diversification, Compound interest

IRASaving and investing

Short for individual retirement account: a US retirement account a person opens for themselves, outside of work, with tax advantages.

Related: Retirement account, 401(k)

Terms starting with L

LoanBorrowing and credit

Money borrowed that has to be paid back over an agreed time, usually with interest on top.

Related: Interest, APR, Debt

Terms starting with M

Minimum paymentBorrowing and credit

The smallest amount a borrower must pay each month on a credit card or loan. Paying only the minimum makes a debt last longer and cost more in interest.

Related: Credit card, Debt

Minimum wageWork, pay and tax

The lowest hourly pay the law allows an employer to pay most workers. The federal minimum is $⁠7.25 an hour, and many states set a higher rate.

Related: Wage

MortgageBorrowing and credit

A long-term loan for buying a home. The home is security for the loan, so if the loan is not repaid the lender can take the home and sell it.

Related: Loan, Interest

Terms starting with N

Needs and wantsEveryday money

Needs are things people must have to live safely, like food, a home and warm clothes. Wants are things that are nice to have but not essential.

Related: Budget, Opportunity cost

Net payWork, pay and tax

The pay that actually reaches someone's bank account, after income tax and other deductions.

Also called take-home pay.

Related: Gross pay, Deductions, Pay stub

Net worthSaving and investing

What someone owns minus what they owe. Savings and property count up; loans and card balances count down.

Related: Debt, Investing

Terms starting with O

Opportunity costEveryday money

What is given up when choosing one thing over another. Money spent on one thing cannot also be spent on something else.

Buying a new game now might mean waiting longer for a bike.

Related: Needs and wants, Budget

OverdraftBanking

Spending more than is in a bank account, so the balance goes below zero. It is a form of borrowing, and it usually costs interest, fees or both.

Related: Checking account, Credit, Interest

Terms starting with P

Pay stubWork, pay and tax

The record that comes with each payment from an employer, showing gross pay, each deduction and the net pay left.

Called a payslip in Ireland and the UK.

Related: Gross pay, Net pay, Deductions

PhishingStaying protected

A scam message, by email or text, made to look like it comes from a trusted company, that tries to get someone to click a link or share passwords or bank details.

Related: Scam, Identity theft

Piggy bankEveryday money

A container for keeping money at home, often shaped like a pig. Watching it fill up shows how saving adds up over time.

Related: Savings goal, Bank

PINBanking

A secret number, usually four digits, that proves a card belongs to the person using it. It stands for personal identification number.

Related: Debit card, Scam

PremiumStaying protected

The price paid for insurance, usually monthly or yearly.

Related: Insurance, Deductible

Terms starting with R

RefundEveryday money

Money paid back, for example when a shop takes back an item, or when someone has paid more tax than they owed.

Related: Tax return

Retirement accountSaving and investing

An account for saving during working life to live on after stopping work. Most come with tax advantages, and employers may add money too.

In the US, a pension usually means a plan where an employer pays a set amount each month after retirement.

Related: Compound interest, Investing

Terms starting with S

SalaryWork, pay and tax

A fixed amount of pay for a year's work, paid in regular, equal amounts.

Related: Wage, Gross pay

Sales taxWork, pay and tax

A tax added to the price of many things at the checkout in most US states. Each state and local area sets its own rate, and a few states have no statewide sales tax.

Savings accountBanking

A bank account for money being kept rather than spent. It usually earns interest on the balance.

Related: Interest, APY, Checking account

Savings goalEveryday money

Something a person is saving up for, with a target amount and often a date to reach it by.

Related: Budget, Piggy bank, Savings account

ScamStaying protected

A trick to get someone's money or personal details, often by pretending to be a bank, a delivery company or someone the person knows.

Related: Phishing, Identity theft, PIN

Social SecurityWork, pay and tax

The US government system that pays monthly benefits to retired workers, disabled workers and some families, funded by a tax on pay. Full retirement age is 67 for anyone born in 1960 or later.

Related: Deductions, Retirement account

StocksSaving and investing

Small pieces of ownership in a company, bought and sold on the stock market. When the company does well, shares can rise in value; when it struggles, they can fall.

Often called shares in Ireland and the UK.

Related: Investing, ETF, Diversification

Terms starting with T

Tax creditWork, pay and tax

An amount taken straight off the tax a person owes, so they pay less tax.

Related: Income tax

Tax returnWork, pay and tax

A form sent to the tax authority listing a year's income, so the right amount of tax can be worked out. If too much was paid, the difference comes back as a refund; if too little, the rest is owed.

Related: Income tax, Refund

Terms starting with W

W-2Work, pay and tax

A US tax form an employer gives each employee after the year ends, showing what they were paid and how much tax was taken out.

Related: Tax return, Income tax

WageWork, pay and tax

Pay worked out by the hour, so more hours worked means more pay.

Related: Salary, Minimum wage

Terms starting with a number

401(k)Saving and investing

A US retirement account offered through an employer. Money goes in straight from each paycheck, and many employers add extra, called a match.

Related: Retirement account, IRA