Google’s Answer
Foreign Exchange (forex or FX) is the trading of one currency for another. For example, one can swap the U.S. dollar for the euro. Foreign exchange transactions can take place on the foreign exchange market, also known as the Forex Market.
Our Answer
Foreign exchange is the process of swapping one currency for another, e.g. Euros for Dollars. The foreign exchange market is the largest financial market in the world, with over $5 Trillion traded each day.
