Ключевые слова: addressing, attention, audience, authority, back, beams, business, communication, conference, corporate, crowd, engagement, event, expert, forum, gathering, illumination, image, individual, influence, knowledge, leadership, lecture, light, mass, message, orator, people, performance, person, picture, power, presentation, publication, rostrum, scene, seminar, setting, show, significance, skill, speaker, spot lit, spotlight, stage, suit, tone, venue, view,