Ключевые слова: animation, background, banner, black, black background, book, business, cartoon, college, communication, concept, design, digital, digital animation, digital interface, digitally, digitally generated, education, element, equation, generated, graphic, icon, illustration, internet, knowledge, learn, learning, mathematical, mathematical equation, mathematics, no people, school, set, sign, student, study, studying, symbol, technology, university, web,