Ключевые слова: background, broadcast, broadcasting, business, communication, computer, concept, conference, connection, design, digital, distance, education, elearning, element, flat, icon, illustration, information, internet, laptop, learning, live, media, microphone, modern, network, office, online, people, person, presentation, screen, seminar, sign, symbol, technology, training, video, web, webcast, webinar, website, word,