All hand movements, in accordance with their proper use, should be accompanied by appropriate expressions of the eyes, eyebrows, and face, as understood by the wise.
Considering the action, the instrument, the place, the movements, and the activities, hand gestures should be performed by the experts in accordance with the customs and practices of the world.
The hand gestures of superior persons should be performed near the forehead and the head region, those of the middling persons near the chest, and those of the inferior persons lower down.
In superior persons, the hand gestures should have minimal movement; in the middling persons, moderate movement; and in the inferior persons, the hand gestures should be more expansive and scattered.
Hand gestures, when marked with characteristic signs, should be performed by superior and middling persons in accordance with their nature. However, for inferior persons, the gestures should be aligned with the meaning conveyed by common practices.