Suburbanization (or suburbanisation) is a term used to describe the growth of areas on the fringes of major cities
Suburbanization (or suburbanisation) is a term used to describe the process of population movement from within towns and cities to the rural-urban fringe
The Suburban and Central Business District (CBD) designations refer to a particular geographic area within a metropolitan statistical area (MBA) Suburban is defined as including all office inventory not located in the CBD (see definition of Central Business District)
The meaning of 'sub' is, falling nearly in the category of, that is, not quite urban; missing some of the important components to be defined as urban See urban