Citification refers to the process of urbanization whereby a rural area transforms into an urban one. Synonyms for citification include urbanization, cityfication, metrofication, and urban renewal. Urbanization describes the process of a region changing from a rural area to an urban one, often resulting in higher population density and increased economic growth. Cityfication is a similar term to citification, referring to the urbanization of a region. Metrofication emphasizes the growth of the urban region into a metropolitan area with multiple cities, towns, and suburbs. Finally, urban renewal describes the revitalization of an urban area, often involving the construction or renovation of buildings and infrastructure.