Ключевые слова: alphabet, arrangement, blue, book, bookshelf, business, choice, closeup, college, concept, course, dictionary, education, educational, english, grammar, green, group, info, information, knowledge, label, language, learn, learning, library, linguistics, literature, meaning, multicolored, multilingual, object, office, orange, order, polyglot, publication, row, school, set, sticker, study, symbol, text, textbook, translate, translation, variation, vocabulary, word,