Ключевые слова: adult, arm, background, business, button, caucasian, click, close up, communication, concept, copy space, decision, empty, female, finger, first, fist, gesture, hand, hand sign, human, human hand, idea, index, index finger, isolated, man, number, one, palm, part, person, point, press, reaching, screen, select, showing, sign, skin, success, symbol, thumb, touch, white, woman, yellow, young,