Ключевые слова: abstract, black color, blue, book, business, closeup, color image, concepts, concepts topics, corner, cut out, data, dictionary, document, education, estonia, green color, group of objects, heap, history, horizontal, information medium, large group of objects, learning, literature, magazine publication, monochrome, neat, newspaper, no people, note pad, old, open, page, paper, publication, reading, shadow, side view, spine body part, stack, studio shot, studying, text, textbook, textured, the media, vertical, white background,