This chapter is about general and specific features of communicating by language, signs and symbols, including receiving and producing messages, carrying on conversations, and using communication devices and techniques.
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.
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Producing body language
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).
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