FirstStepsInvesting

Every hard word, in the words you already know.

The Plain-Words Decoder

Fifty words stand between a first-timer and their first step. Each card here does two things: says what the word means in plain words, and what it means for your first $100. The cards are wired into the sequencer and the doors — you will meet them exactly when a result uses the word.

The big picture

Kinds of investments

Costs

How risk works

How growth works

Debt and cash

Accounts

401(k)

A retirement account offered through an employer. Money goes in straight from your paycheck, often before inco…

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403(b)

The public-school, hospital, nonprofit, and ministry cousin of the 401(k). Same idea — paycheck-in retirement …

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Employer match

Free money your employer adds when you contribute to your workplace plan, following a formula — for example, 5…

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Vesting

The schedule that says when your employer's contributions become fully yours. Your own contributions are alway…

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Roth IRA

A retirement account you open yourself, at a brokerage or bank. You put money in after tax — and then, if you …

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Traditional IRA

A retirement account you open yourself, like a Roth IRA, but with the tax break at the other end: contribution…

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IRA (individual retirement account)

The umbrella name for retirement accounts you open yourself — mainly Roth and Traditional. An IRA is not an in…

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Brokerage account

A regular investment account you open yourself, with no special tax wrapper and no yearly contribution limit. …

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HSA (health savings account)

A tax-advantaged account available only alongside a high-deductible health plan. Money goes in pre-tax, grows …

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High-deductible health plan (HDHP)

A health plan with lower monthly premiums and a higher deductible — you pay more of the early bills yourself. …

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FSA (flexible spending account)

A use-it-mostly-or-lose-it account through an employer for health or dependent-care costs, funded pre-tax from…

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Contribution limit

The legal ceiling on what you can put into a tax-advantaged account each year. Every account on this site carr…

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Catch-up contribution

Extra room Congress adds to contribution limits for older savers. In 2026: a 401(k) allows $8,000 extra at 50+…

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Settlement fund (core position)

The cash parking spot inside a brokerage or IRA where money waits — deposits land here, and buys are paid from…

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Saver's Credit (and the coming Saver's Match)

A tax credit for lower-income savers who contribute to a retirement account — up to 50% of the first $2,000 co…

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SIMPLE IRA

A retirement plan built for small employers — the kind with a handful of staff, where no 401(k) exists. It wor…

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Doing it

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