Autosiphon is a pump- Basically attach the tube to one end ensure the center portion is all the way down inside the larger tube, pull up and you will be able to transfer beer between containers.
Bottle filler- Attaches to tubing coming from your bottling bucket. They are either spring tip or just have a plastic tip that fall in place with gravity. Stick the filler in to the bottom of the bottle, fill and remove when full.
Three Piece airlock. Stick the airlock in the stopper on top of your fermenter. Put the tiny cup looking piece over the top of the inside post of the airlock. Fill airlock about halfway with sanitized water or vodka. Put cover on top.