Supply

How much of a product is available to buy at any given time.

Subscription

An agreement that you make with a company to get a publication or service regularly and that you usually pay for in advance.

Stock

A type of investment that gives people a share of ownership in a company.

State income tax

Most states and some local municipalities require their residents to pay a personal income tax. Generally, states use one of two methods to determine income tax: the graduated income tax or the flat rate income tax. Both methods first require you to figure your taxable income.

Spoofing

When a caller disguises the information shown on your caller ID to appear as though they are calling as a certain person or from a specific location.

Social Security number

The nine-digit number on a Social Security card, an important piece of identification issued by the federal government that you’ll need to get a job and collect government benefits.

Social Security

Provides benefits for retired workers and people with disabilities, as well as the unmarried children, surviving spouses, or former spouses (in certain cases) of both.

Share

A unit of ownership, often in a company’s stock or in a mutual fund.

Services

Actions that a person does for someone else, such as cutting hair, giving a medical checkup, or fixing a car.

Security

An investment product such as a stock or bond.