Refers to the comprehensive business premises, such as retail stores, which are unified development, unified operation or unified management in the same area as the single commercial business places which are engaged in the circulation of goods, for production and operation and life, as defined in the planning and management needs of the network construction planning, Commodity trading market, flea market, automobile trading market, logistics base, restaurants and other living services and other facilities. Organizational form is directly related to the density of the population.