Ключевые слова: art, background, binder, blank, book, business, calendar, computer, contract, design, document, education, element, empty, equipment, file, graphic, icon, illustration, internet, isolated, learning, letter, line, note, notebook, notepad, object, office, organizer, page, paper, paperboard, reading, ring binder, school, set, shape, sign, silhouette, study, symbol, text, web, website, write, writing,