city
	A differentiated community with a sufficient population and resource base to allow residents to specialize in arts, crafts, services, and professional occupations.
conservation development
	Consideration of landscape history, human culture, topography, and ecological values in subdivision design. Using cluster housing, zoning, covenants, and other design features, at least half of a subdivision can be preserved as open space, farmland, or natural areas.
core region
	The primary industrial region of a country; usually located around the capital or largest port; has both the greatest population density and the greatest economic activity of the country.
garden city
	A new town with special emphasis on landscaping and rural ambience.
megacity
	Also known as a megalopolis or supercity; megacity indicates an urban area with more than 10 million inhabitants.
new towns
	Experimental urban environments that seek to combine the best features of the rural village and the modern city.
pull factors
	(in urbanization)  Conditions that draw people from the country into the city.
push factors
	(in urbanization)  Conditions that force people out of the country and into the city.
rural area
	An area in which most residents depend on agriculture or the harvesting of natural resources for their livelihood.
shantytowns
	Settlements created when people move onto undeveloped lands and build their own shelter with cheap or discarded materials; some are simply illegal subdivisions where a landowner rents land without city approval; others are land invasions.
slums
	Legal but inadequate multifamily tenements or rooming houses; some are custom built for rent to poor people, others are converted from some other use.
squatter towns
	Shantytowns that occupy land without owner's permission; some are highly organized movements in defiance of authorities; others grow gradually.
technopolis
	Also called a vertical city; this model of city development proposes that cities grow vertically instead of horizontally.
urban area
	An area in which a majority of the people are not directly dependent on natural resource-based occupations.
urbanization
	An increasing concentration of the population in cities and a transformation of land use to an urban pattern of organization.
urban renewal
	Programs to revitalize old, blighted sections of inner cities.
village
	A collection of rural households linked by culture, custom, and association with the land.

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