Price at which the seller is willing to sell currency or other financial instruments.
Bear
Historical term used to denote decreasing trends. (A bear will press its prey down to the ground with its paws).
Bid
Price at which the buyer is willing to buy currency or other financial instruments.
Bull
Historical term used to denote increasing trends. (A bull will toss his enemy up his horns).
Dealer
Professional participant of financial market.
GTC
Order to open a position valid until cancelled by the client.
Indicator
Technical analyses instrument.
Last
Price of the last transaction. It is an average of the last Bid and Ask on Forex.
Limit Order
Order made to close a position at a better than current price. It's usually used for profit fixing.
Limit Entry Order
Pending order in opposite to common market direction. It's usually used for opening at the point of the assumed market turn.
Lot
Smallest indivisible transaction volume for Buy/Sell operations.
Long
Buy operation or an open Buy position (see Short).
Margin
Deposit required of a client to cover possible future losses from specilations. It is usually expressed as a percentage or a fraction, for example 1%, or 1:100, equal to the ratio of the deposit to the lot size.