Ключевые слова: abstract, architecture, background, black, blank, board, border, building, business, buy, chalk, concept, contour, copy, creative, design, empty, estate, flat, frame, gray, handwriting, home, house, housing, idea, insurance, investment, lay, metallic, mortgage, outline, planning, property, rent, residential, retail, sale, sell, selling, shape, sign, silhouette, small, space, top, view, wealth, white, word,