Ключевые слова: abstract, alphabet, backdrop, background, black, classified, communication, concept, confidential, definition, detail, dictionary, document, education, english, hide, hiding, idea, illegal, information, knowledge, language, letter, macro, media, message, mystery, object, page, paper, press, print, private, publication, publish, read, reading, secret, text, texture, top secret, type, undisclosed, unknown, white, word, words, write, writing,