Ключевые слова: archive, background, blue, blur, blurred, book, business, career, catalog, clever, collection, colledge, color, course, defocused, degree, development, document, education, gray, hall, information, inspiration, intelligence, intelligent, knowledge, learn, library, literature, many, office, open, paper, read, research, school, schoolboy, shelf, stack, student, study, table, unfocused, university, volume, white, wisdom, wordbook, yellow,