Ключевые слова: apple, art, backdrop, background, book, concept, design, diary, discovery, education, element, icon, idea, illustration, imagination, information, knowledge, learn, object, ornament, ornamental, page, pattern, people, preschool, pupil, reading, research, school, school subject, schoolboy, schoolchildren, science, set, shape, sign, study, symbol, teach, textbook, texture, wisdom,