Ключевые слова: adult, advertisement, advertising, attention, background, calculating, commercial, copy, countdown, counting, demonstration, double, female, fingers, fix, gesture, gray, hand, hand gesture, indicate, light, mark, mathematics, number, numbers, peace, people, person, pointing, prepare, ready, show, showing, sign, signal, space, steady, template, two, unrecognizable, victory, victory sign, woman,