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
                  

And thirdly, some signs make contact with the body, and five main contact points are recognised. The first three are used frequently, whereas the other two are seldom used:

    Head: "to remember", "custom", "silence"
    Torso: "responsible", "love", "hunger"
    Hand: "physician", "solution", "tortoise", "brother"
    Neck: "to feel like something", "to lose", "thirst"
    Non-dominant arm: "exaggerated", "hospital", "Majorca"