Ключевые слова: architecture, background, bank, banking, building, business, buy, cash, coin, concept, concepts, construction, copy, currency, debt, development, diagram, dollar, economic, estate, finance, heap, home, house, housing, ideas, investment, isolated, loan, market, model, money, mortgage, nobody, one, paying, price, property, real, rent, rental, residential, sale, savings, selling, small, stack, structure, white,