Ключевые слова: adult, arm, arrow, background, body, business, caucasian, child, communication, concept, concepts, counting, education, female, finger, first, five, gesture, gesturing, hand, help, high, human, icon, idea, index, isolated, male, man, number, object, one, palm, part, people, person, point, pointing, showing, sign, signal, skin, success, symbol, three, thumb, touch, two, up, white,