Ключевые слова: academic, background, banner, business, clip art, clipart, college, colorful, computer, concept, design, development, disciplines, educate, education, engineering, english, fields, flat, graphic, high, icon, illustration, knowledge, learn, mathematics, maths, online, outline, policy, public, research, school, school background, schooling, science, sign, skill, stem, stem education, student, study, system, teaching, technology, training, university, website,