Ключевые слова: academic, academy, audience, back, briefing, business, businessman, clap, coaching, communication, conference, congress, convention, corporate, discussion, education, educator, event, explaining, group, hall, head, institute, knowledge, lecture, light, listeners, manager, meeting, office, participants, people, presentation, professional, public, screen, seminar, sitting, speaker, speech, stage, study, summit, talk, teaching, team, training, university, white, workshop,