| Term | Definition |
| Greenbelt | rings of open space |
| metropolitan statistical area (MSA) | method of measuring the functional area of a city |
| Multiple nuclei model | a city is a complex structure that includes more than one center aroundwhich activities revolve |
| peropheral model | an urban area consists of a inner city surrounded by large suburban residential and buisness areas tied together by a beltway or ring road |
| primary metropolitan statistical area (PMSA) | within a CMSA, a MSA that exceeds 1 million may be classified as a PMSA |
| public housing | housing reserved for low income housholds, who must pay 30% of their income to rent |
| redlining | banks drawing lines on a map to identify areas in which they will refuse to loan money |
| rush or peak hour | the 4 consecutive 15-minute periods that have the heaviest traffic |