Legal tender is a form of payment that is accepted by law as a valid payment for goods and services. CURRENCY, CASH, MONEY, ONES, RETAINER, BANKNOTE, coldcash, and coinoftherealm are all terms used to refer to legal tender. CURRENCY is a form of MONEY that is issued by a government and circulated within an economy. CASH is a form of MONEY that is readily available for use in exchange for goods and services. MONEY is a medium of exchange that is used to facilitate transactions. ONES are a type of CURRENCY that is typically used for small purchases. RETAINER is a payment made to a professional for services rendered. BANKNOTE is a type of paper MONEY that is issued by a government or central bank. Coldcash is a slang term for MONEY that is kept in a secure place. Coinoftherealm is a phrase used to describe coins that are issued by a government or central bank.