Ключевые слова: background, blank, book, business, concept, copy, copyspace, design, diary, document, education, empty, grid, horizontal, isolated, learning, library, lines, literature, memo, message, mockup, note, notebook, notepad, notepaper, object, office, open, organizer, pad, page, paper, reminder, school, sheet, space, spiral, square, squared, study, studying, teach, template, text, textbook, texture, white, worksheet,