Forex Trading is trading currencies from different countries. This Forex is short for Foreign Exchange. An example of forex trading is buying Euro (European currency), while simultaneously selling USD (American currency), can be abbreviated EUR / USD.
Forex trading is done online with the intention of making a profit. Need to be understood, forex trading is a business activity, investment, even can be a profession. Online Forex trading with the purpose of gaining such benefits is done by broker forex broking.
The principle of online forex trading is basically the same as buying and selling money in Money Changer. The advantages of forex trading can be obtained from the difference between the purchase price and the selling price.