Ключевые слова: blue, book, bright, choice, collection, color image, data, descriptive color, digitally generated image, document, education, green, group of objects, heap, in a row, information medium, isolated, isolated on white, large group of objects, learning, library, literature, multi colored, nobody, orange, paper, reading, red, render, stack, studying, three dimensional shape, traditional culture, vertical, vibrant color, white, white background, wisdom, yellow,