Adrift means something, such as a boat, is lost, abandoned, or floating freely in water without an anchor.
Something is drifting if it is being gently carried along by currents in air or water with no particular direction. The leaf in the picture is drifting on a lake.
A forklift, also called a lift truck, fork truck or forklift truck is a fairly small truck that has two prongs on the front that are designed to lift things. Forklifts are commonly used for moving large boxes around inside warehouses.
A gift, or present, is something you give to someone else, usually for a birthday or Christmas. At Christmas time, the gifts are usually put under the Christmas tree. Gifts are usually wrapped up in pretty paper.
You lift something when you raise it higher than it was before. The crane in the picture is lifting a heavy load. Lift is also another word for elevator.