Ключевые слова: attention, audience, auditorium, briefing, business, chair, conference, contemporary, convention, course, dark, development, dim, economy, education, event, financial, forum, hall, horizontal, illuminate, indoors, innovation, lecture, lesson, listen, meeting, modern, obscure, participant, people, presentation, public, screen, seat, seminar, speaker, speech, spotlight, stage, strategy, team, watch,