Any activity or organization that produces or exchanges goods or services for a profit.

Money functions as a medium of exchange, a store of value, and also a unit of account.

Payments earned by households for selling or renting their productive resources. May include salaries, wages, interest and dividends.

Anything that is generally accepted as final payment for goods and services; serves as a medium of exchange, a store of value and a standard of value. Characteristics of money are portability, stability in value, uniformity, durability and acceptance.