Concentric-zone model
A model of urban development depicting a city growing outward from its central business district in a series of concentric rings
Sector model
A model of urban development depicting a city with wedge-shaped sectors and divisions emanating from the central business district, generally along transit routes
Multiple-nuclei model
A model of urban development depicting a city where growth occurs around the progressive integration of multiple nodes, not around one central business district
Node
The focal point of a functional region
Galactic city model
A model of urban development depicting a city where economic activity has moved from the central business district toward loose coalitions of other urban areas and suburbs; also known as the peripheral model
Latin American city model
A model of urban development depicting a city with with a central business district, concentric rings, a high-end commercial sector, and sections stricken by poverty; also known as the Griffin-Ford model
Disamenity zone
A high-poverty urban area in a disadvantaged location containing steep slopes, flood-prone ground, rail lines, landfills, or industry
Squatter settlement
An informal housing area beset with overcrowding and poverty that features temporary homes often made of wood scraps or metal sheeting
African city model
A model of urban development depicting a city with three central business districts, growing outward in a series of concentric rings
Southeast Asian city model
A model of urban development depicting a city oriented around a port and lacking a formal central business district, growing outward in concentric rings and along multiple nodes
Zoning
The process of dividing a city or urban area into zones within which only certain land uses are permitted
Central Business District (CBD)
A part of a city where business is centered around, land is generally highly valued and expensive, and is usually located in the historic center of a city
Infrastructure
All services and institutions that help maintain the health, safety, economic, and social aspects of a country; Can be transportation, energy-generation, communication, sanitation, and more
Municipal government
The government of a city, responsible for maintaining infrastructure and delivering services such as education and safety
Primary data
Information collected directly from a source
Secondary data
Information coming from an outside source and isn't directly collected
Nominal data
Named, labeled, or categorized data, such as type of housing: single-family detached or apartment
Ordinal data
Ordered or ranked data, such as low, medium, or high income
Interval data
Data that has an order, and the difference between two numbers has meaning, like temperature and year
Ratio data
Similar to interval data, also has a true zero value, such as distance or area