Change

This is the action by which certain banknotes and/or coins are exchanged for
the same amount in banknotes/coins of a different face valueThe figure or amount written on the banknote or coin which indicates the amount of its economic value. It is usually written in letters and numbers., or unit value. See
ExchangeIn cash management, refers to the action by which a very used banknote of legal tender is exchanged with another of equal value..