Ключевые слова: abstract, background, banner, book, card, celebrate, celebration, class, college, concept, day, design, education, educational, flat, flyer, geometric, globe, graduation, greeting, greeting card, holiday, icon, idea, illustration, international, knowledge, learn, library, literacy, memphis, modern, national, paper, pencil, poster, read, school, science, student, study, studying, symbol, teach, teacher, text, university, world,