Ключевые слова: academic, academy, audience, auditorium, blur, briefing, business, businessman, center, coaching, communication, conference, congress, convention, corporate, discussion, education, educator, entrepreneurship, event, explaining, group, hall, information, institute, knowledge, lecture, listeners, manager, meeting, participants, people, podium, presentation, professional, public, room, screen, seminar, sitting, speaker, speaking, speech, study, summit, talk, teaching, training, university, workshop,