audience crowd demonstrating demonstration demonstrator display group listening new product observation observers paint painting potential customers public selling spruiker spruiking watching airy ambience angles appearance arched arches background chairs color colors colour colours connected dining dining-area eating-area eating-out empty flooring furnishings furniture light lighting lines no-customers patterns pillars ready seating seats service space spacious surface surfaces surfacing surroundings table tables texture textured textures tiled tiles vacant-places veranda verandah