Buy On Margin: The process of buying a currency pair where a client pays cash for part of the overall value of the position. The word margin refers to the portion the investor puts up rather than the portion that is borrowed.
Initial Margin: The deposit a customer needs to make before being allocated a trading limit.
Pip: The smallest increment of change in a foreign currency price, either up or down.
Roll-Over: The process of extending the settlement value date on an open position forward to the next valid value date.