Edited sentence: "  Density levels should determine urban areas, not exaggerated and ever increasing boundaries, or suburban encroachment into rural areas.Residing in a suburb does not automatically suggest an urban location, which is one of the reasons there is a difference between the words urban and suburban.Secondly, there are suburbs with as many rural characteristics as urban, as in some "cities," the city limits surround farmland, or vast areas of open space.While there have been trends towards urbanization in the search for jobs and revitalization of certain cities, simply because suburbs grow in population, and often annex rural.areas, does not make them "urbanized