The price of one currency stated in terms of another currency is called a(n) :

A) Foreign exchange rate.
B) Currency transaction.
C) Historical exchange rate.
D) International conversion rate.
E) Currency rate.

The term used to denote the price of one currency in terms of another currency is known as foreign exchange rate. It is the rate at which one can buy or sell a currency for another currency. Other options may not be appropriate to refer to the price of one currency in terms of another currency.