Ключевые слова: abstract, alphabet, background, blind, braille, bumps, character, characters, close up, code, communicate, communication, detail, disability, disabled, dots, education, handicap, language, learn, letter, letters, literacy, literature, macro, message, metal, pattern, people, point, read, relief, senses, service, sightless, sign, social, special, student, surface, symbol, system, texture, textured, touch, vision, white, words, world,