Ключевые слова: accumulation, arrangement, background, batch, blue, book, bright, closed, collection, college, color, colorful, concept, cover, culture, cyan, education, expertise, green, group, hard, hardcover, information, isolated, library, literature, magenta, many, nobody, object, orange, order, paper, pile, pink, purple, rainbow, reading, red, school, series, set, spine, stack, textbook, variation, white, wisdom,