Ключевые слова: background, blank, blue, book, business, close, collection, color, concept, copy, cover, design, desk, diary, education, empty, equipment, glasses, journal, management, mock, mockup, note, notebook, notepad, notepaper, object, office, open, pad, page, paper, pen, pencil, school, sheet, space, spiral, stationery, study, table, template, text, textbook, top, up, view, white, work,