Ключевые слова: abstract, article, background, blog, blurred, book, brochure, closeup, color, colorful, composition, concept, concepts, contact, creativity, detail, document, edge, education, element, empty, image, information, knowledge, library, light, line, literature, macro, magazine, message, newsletter, nobody, open, page, paper, print, publication, publish, read, research, shape, sheet, stack, symbol, textbook, texture, trench,