Ключевые слова: abstract, background, big, book, brochure, business, close, closeup, concept, detail, dictionary, dictonary, document, documents, education, expertise, history, ideas, information, isolated, knowledge, learn, leisure, library, lines, literature, object, open, page, paper, print, publish, read, red, research, school, science, sheet, single, student, study, studying, text, university, up, white, wisdom, wise, words,