The term can also refer either to the physical streets and buildings of the city or to the collection of people who dwell there, and can be used in a general sense to mean urban rather than rural territory.
A variety of definitions, invoking population, population density, number of dwellings, economic function, and infrastructure, are used in national censuses to classify populations as urban.
Societies that live in cities are often called civilizations.
The vast majority of cities have a central area containing buildings with special economic, political, and religious significance.
Archaeologists refer to this area by the Greek term temenos or if fortified as a citadel.
Dutch cities such as Amsterdam and Haarlem are structured as a central square surrounded by concentric canals marking every expansion.
In cities such as and also Moscow, this pattern is still clearly visible.
Common population definitions for a city range between 1,500 and 50,000 people, with most states using a minimum between 1,5 inhabitants.
In others, such as in the United Kingdom, city status is awarded on local criteria.Beyond these "geomorphic" features, cities can develop internal patterns, due to natural growth or to city planning.In a radial structure, main roads converge on a central point.This has profound consequences for global sustainability.Present-day cities usually form the core of larger metropolitan areas and urban areas - creating numerous commuters traveling towards city centers for employment, entertainment, and edification.Located in the Midwest, Minnesota is partially located on Lake Superior and shares a northern border with Canada.