Waving
Hand gesture for greeting / From Wikipedia, the free encyclopedia
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This article is about the human hand gesture. For waves in the scientific sense, see Wave. For other uses, see Wave (disambiguation).
Waving is a nonverbal communication gesture that consists of the movement of the hand and/or entire arm that people commonly use to greet each other, but it can also be used to say goodbye, acknowledge another's presence, call for silence, or deny someone.[1] The wave gesture is an essential element of human language.[2]