Money is what money does, this definition of money is given by

Money is what money does. This definition of money is given by F.A. Wakar.
Money is a thing that is widely acknowledged as a means of economic exchange.

🔑Key Points:
Money is something which has the features of a medium of exchange, a measure of value, a standard of deferred payments, and a store of value. 
It consists of money such as bills of exchange, coins, bank draughts, checks, and more.
Money involves both limited and unlimited legal tender.