Urbanization is the process of people moving from rural areas to urban areas.

Urban areas are typically characterized by high population density, heterogeneity, and social disorganization, but not a sense of community.

De-urbanization is the process of people moving from urban areas to rural areas.

Villages are typically rural settlements, while cities, towns, and suburbs are urban settlements.

Urban sprawl is the process of urban areas expanding and merging with neighboring areas.

Crime, poverty, and homelessness are all social problems associated with urban areas, while a sense of community is a positive aspect of urban life.

Integration is the process of urban areas becoming more diverse.

Suburbs are typically located outside of urban areas, while residential, commercial, and industrial neighborhoods are located within urban areas.

Segregation is the process of urban areas becoming more segregated.

Cars are typically used for personal transportation, while buses, trains, and bicycles are used for public transportation.

Green urbanism is the process of urban areas becoming more sustainable.

Single-family homes are typically located in suburban areas, while apartments, condominiums, and townhouses are located in urban areas.

Gentrification is the process of urban areas becoming more gentrified.

Historic preservation is typically a part of urban planning, but zoning, land use planning, and transportation planning are all types of urban planning.

Livability is the process of urban areas becoming more livable.