Ключевые слова: alphabet, backdrop, background, book, brown, chapter, character, column, communication, concept, cover, data, definition, detail, dictionary, document, education, english, expertise, foreign, hardcover, help, illustrative editorial, isolated, knowledge, learn, learning, letter, library, literature, open, page, paper, print, reading, research, russian, school, single, symbol, teaching, text, textbook, texture, translate, translation, type, university, white, word,