Ключевые слова: background, blank, board, book, business, checker paper, clean, clear, closeup, concept, copy, copybook, design, diary, document, education, empty, list, message, mockup, note, notebook, notepad, object, office, page, paper, paper clips, pattern, pen, power, school, sheet, space, spiral, template, text, textbook, texture, up, vertical, white, words, work, write,