Basic components
1. Introduction 2. Manual components a) Configuration b) Place b.1) Neutral space b.2) Around the head b.3) In contact with the body c) Movement d) Orientation 3. Non-manual components a) Facial expression b) Torso movement c) Head position and/or movement d) Mouth gesture d.1) Imitative d.2) Compulsory component d.3) Optional component (modifier) e) Mouthing
Secondly, we find the space surrounding the head. "Journey"