Using gestures, symbols and drawings to convey messages, such as shaking one's head to indicate disagreement or drawing a picture or diagram to convey a fact or complex idea.
Conveying messages by intentional movements of the body, such as facial gestures (e.g. smiling, frowning, wincing), by arm and hand movements, and by postures (e.g. embracing to indicate affection or pointing to receive attention or an object).
Conveying meaning by using signs and symbols (e.g. icons, Bliss board, scientific symbols) and symbolic notation systems, such as using musical notation to convey a melody.
Conveying meaning by drawing, painting, sketching, and making diagrams, pictures or photographs, such as drawing a map to give someone directions to a location.
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