Ключевые слова: agent, architecture, background, basket, box, building, business, buy, buyer, cart, commerce, concept, construction, consumerism, customer, delivery, discount, estate, finance, home, housing, investment, lease, loan, market, miniature, model, money, mortgage, object, online, owner, payment, property, purchase, real, real estate, rent, residential, retail, sale, sell, shopping, small, store, supermarket, symbol, toy, white,