Gesture is a laying in of the action, form, and pose of a model/figure. As the artist you are the actor, costumer and everything in between. It is important to know how to push the body and the emphasize the things you need to make your character a character. So if you have a Karate character its not unusual to make the chest wider and boxer then the legs. So you focus on the strength. Also we talked about the flour sack exercise that Walt Disney started in the 30’s to find how the body twists.