Ключевые слова: adult, arm, assistance, background, black, blank, body, business, card, caucasian, communication, concept, education, finger, gesture, gift, give, giving, hand, helping, hold, human, idea, index, inscription, isolated, male, man, object, palm, pen, person, reaching, school, screen, show, showing, sign, skin, solution, studio, symbol, thumb, white, wrist, young,