Ключевые слова: accumulation, alignment, art, background, blank, blue, book, closed, collection, color, colored, cover, curve, cyan, dark, document, education, green, group, hardcover, learning, light, line, lineup, literature, magenta, mirror, nobody, object, only, orange, order, paper, pink, purple, rainbow, reading, red, reflection, research, row, series, set, spine, variation, view, white, wrapped, yellow,