Ключевые слова: background, bend, blue, collection, colorful, count, decorative, design, different, education, element, enumerate, finger, five, flat, four, gesture, hand, human, illustration, isolated, learn, line, man, manicure, math, nail, nonverbal, number, numeral, object, one, person, phalanx, primary, ring, set, show, sign, skin, teaching, three, two, up, white, woman, wrist,