Ключевые слова: assistance, background, blackboard, business, button, chalkboard, click, computer, continuing, course, cursor, development, digital, distance, education, elearning, email, exam, finger, gesture, icon, information, internet, knowledge, learn, lesson, message, online, page, professional, school, seminar, sign, skill, study, studying, success, symbol, teaching, technology, text, think, trainer, training, university, web, word, www,