Describe the main functions of money

Money is a universal equivalent that serves as a measure of the value of any goods and services that can be directly exchanged for them.
Basic functions of money
Money – intermediaries in the exchange from the beginning of the transaction (T – D) to its completion (D – T).
During the period when trade was dominant, money acted as a medium of circulation.
Then, after the emergence of credit and the development of the economy, the function of a means of payment came to the fore, it included the function of a medium of exchange and was transformed into the function of a means of payment.