Ключевые слова: 4, arm, background, beauty, body, care, caucasian, closeup, communication, count, countdown, counting, finger, fingernail, fingers, forefinger, four, gesture, greeting, hand, hand gesture, human, impersonalized, index, isolated, little, middle, nail, number, palm, part, people, person, set, show, showing, sign, single, skin, young,