Ключевые слова: activity, architecture, armchair, arts, buildings, center, chair, classical, comfortable, concepts, concert, conference, congregation, convention, empty, entertainment, event, exhibition, festival, furniture, group, large, leisure, meeting, objects, order, outdoor, outdoors, pattern, popular, repetition, row, scene, seat, series, space, stadium, stage, structure, style, symmetry, theater, theatrical, urban, waiting,