The Sequence Editor is where you create most of the movement that gives personality and style to your characters. A sequence is a short block of key frame poses, such as one cycle of a walk. The easiest way you can animate a figure is by placing it in a scene and adding one or more sequences.

Longer animations can be built from several short sequences, such as building a long walk out of multiple applications of a walk cycle. Anim8or automatically joins the adjacent sequences into a single, smooth movement, using the key frame positions as guides.

The time track at the base of the Sequence Editor indicates the current frame shown in the viewports. The frames that have one or more joints set in key positions are marked with small black squares  in them.

You must first create your objects in the Figure Editor then switch into the Sequence Editor and a new, blank sequence is created. Select the Settings->Sequence menu item to select your figure from the list.  This adds in your figure to the new sequence.