Ключевые слова: academic, audience, background, banner, briefing, business, center, classroom, coaching, concept, conference, congress, convention, copy space, education, event, explaining, faculty, forum, group, hall, indoors, information, institute, knowledge, label, laptop, learn, lecture, listeners, manager, people, presentation, professional, public, screen, seminar, session, sitting, speaker, speech, study, teacher, teaching, training, using, workshop,