Ключевые слова: abstract, background, beam, black, blank, blue, boardroom, bright, business, classroom, communication, conference, corporate, dark, display, emptiness, empty, entertainment, equipment, event, glowing, highlight, indoors, lamp, lens, light, meeting, movie, movies, multimedia, performance, perspective, presentation, projection, projector, ray, search, seminar, shine, show, slide, smoke, spot, spotlight, technology, theatre, video, viewer, visual, white,