Apartment
Apartment is a unit of residence containing a suit of rooms, typically in building containing a number of such units. That is why, a large building containing a number of such suite of rooms forming a residences is also called apartments. In a very large building, such as the buildings of the monarchs or the nobles, the rooms or certain areas set aside for particular purposes, are also called apartment, such as the Imperial apartment, women's apartment (a harem in the Qila of Muslim rulers), etc.