Ключевые слова: black, blank, book, business, check, data, design, document, edge, education, element, file, form, frame, icon, illustration, images, information, letter, line, list, magnifying glass, many, mark, note, office, pad, page, paper, reading, row, school, set, shape, sheet, sign, square, star, style, symbol, text, web, white, writing, wrong mark,