Ключевые слова: 1, 2, 3, 4, 5, adult, arm, background, body, caucasian, collection, communication, concept, count, counting, female, figures, finger, fingers, five, four, gesture, graphic, group, hand, hands, human, isolated, isolation, male, man, many, numbers, numer, one, palm, part, people, person, picture, showing, sign, skin, space, symbol, three, two, white,