Only the residences of scholar-bureaucrats can be called mansions, while those of common people and wealthy businessmen can only be called residences. The divisions are East Street Wangfu and Wangzhai, West Street Wangfu and Wangzhai. If all the people in a residential area have the surname Wang and all have mansions, they can only be more precise. Mr. Wang XX of Dongjie Wangfu, Mr. Wang XX of Dongjie Wangzhai is the boss.