Ключевые слова: adult, arm, background, body, business, card, caucasian, collage, collection, communication, concept, different, female, finger, fingers, fist, gesture, gestures, gesturing, giving, greeting, group, hand, hold, holding, human, icon, index, indicating, isolated, ok, palm, people, person, pinch, pointing, press, pushing, show, showing, sign, signal, symbol, thumb, touch, up, variations, white, woman, wrist,