Ключевые слова: adults, assembly, attendees, attentive, audience, auditorium, business, colleagues, communication, community, conference, conference hall, convention, corporate, crowd, development, discussion, diversity, education, engagement, event, focus, forum, group, indoor, information, insight, interacting, knowledge, learning, lecture, listening, management, meeting, multicultural, networking, panel, participation, people, presentation, professional, public, seminar, session, sitting, speaker, strategy, training, workshop,