Money is often defined in terms of the three functions or services that it provides. Money serves as a medium of exchange, as a store of value, and as a unit of account. Medium of exchange. Money's most important function is as a medium of exchange to facilitate transactions
Money covers three functions: unit of account since it measure in numeric values what goods and services are worth; store of value which implies accumulating money increases individuals' and organizations' wealth; and, medium of exchange because it facilitates transactions between buyers and sellers through a common currency accepted by the two of them.
