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Definition: A facial expression is one or more motions or positions of the muscles beneath the skin of the face. According to one set of controversial theories, these movements convey the emotional state of an individual to observers. Facial expressions are a form of nonverbal communication.
Context: Cyfathrebu dieiriau – cyfathrebu heb ddefnyddio geiriau. Mae'n cynnwys mynegiant yr wyneb, cyswllt â'r llygaid, ystumiau a thôn y llais, yn ogystal â negeseuon llai amlwg fel ystum y corff a'r pellter gofodol rhwng unigolion.
