Buy / Long - Sends a buy order to the exchange on your behalf, based on the strategy you’ve defined.

Sell / Short - Sends a sell order to the exchange on your behalf, regardless of your actual holdings (in this case, “short” is slang for sell and doesn’t necessarily entail shorting the asset).

K - Kilo / 1,000 (50K = 50,000)

M - Millions / 1,000,000 (5M = 5,000,000)

Lot - Forex Lot = 100,000 (5lots = 500,000) & Stocks, ETFs Lot = 100 (5lots = 500)

All Or None (AON) - The order will be executed only if the entire order amount is available.

Market (MKT) - A market order is the default order type unless otherwise defined.

Limit (LMT) - A limit order allows you to set a maximum rate for a buy order or a minimum rate for a sell order. Can be used implicitly; e.g. Buy at 145.50 100 shares of AAPL (145.50 stands for the limit rate)

Stop - A stop order allows you to define a market order that will be activated only if the price reaches a higher rate for a buy order or a lower rate for a sell order.

Stop Limit - A stop-limit order is a combination of a stop order and a limit order. You will have to define both the limit rate and stop PX rate.

Good Till Canceled (GTC) - GTC is the default time in force unless otherwise defined. Orders set to GTC will have no expiration date or time.

Day - The order will be valid until the day’s end, with “end” defined by the exchange’s time zone.

Good Till Date (GTD) - Allows you to set the expiration date and time for the order.

Immediate Or Cancel (IOC) - The limit order will be executed immediately if market conditions allow. Otherwise, it will be canceled immediately.