Ключевые слова: advertisement, advertising, background, banner, billboard, blank, blue, board, business, clean, clear, color, concept, conceptual, copyspace, display, empty, entrance, exterior, front, hanging, information, interior, message, nobody, notice, office, outdoor, outside, panel, placard, plastic, service, shop, sign, signage, signal, single, sky, space, store, symbol, tag, template, text, unfilled, welcome, yellow,