Ключевые слова: adult, anger, background, business, caucasian, chagrin, communication, concept, different, disagreement, disappointment, disapproval, discontent, displeasure, down, fail, female, finger, fingers, gesture, gestures, gesturing, gray, grumble, hand, human, icon, irritation, isolated, negative, one, outrage, pointing, protest, rejection, resentment, showing, sign, signal, symbol, thumb, white, wrist, young,