Ключевые слова: body, caucasian, child, childhood, communication, communications, concept, count, counting, design, discipline, education, element, expressing, expression, expressive, female, finger, fingers, gesture, gesturing, girl, group, hand, help, human, idea, learn, mathematics, mother, number, numeric, one, palm, parent, parenting, people, person, school, set, sign, signal, simplicity, solution, symbol, three, timeout, two, white, woman,