Ключевые слова: abc, aid, alphabet, alphabetical, black, chinese, communicate, communication, concept, contrast, convey, csl, deaf, deafness, disability, finger, fingerspelling, gesture, gesturing, guide, hand, hear, hearing, help, idea, isolated, language, learn, letter, light, male, man, message, monochrome, nonverbal, people, person, point, school, shadow, shadows, sign, signal, speech, symbol, t, talk, translate, translation, white, word,