The process of people moving, usually from cities, to residential areas on the outskirts of cities.

This rule describes how the rank of a city is based on its size.

A functional region is that is defined by a social or economic function that occurs between a focal point and the surrounding.

This term refers to the minimum population needed to support a business or service.

These cities have a population of more than 10 million people but less than 20 million people.

This model states that the larger and closer places will have more interactions than places that are smaller and farther from each other.

A city that is disproportionately larger and more influential than any other city within a country or region.

This theory explains the spatial arrangement of settlements and their functions, suggesting that they are strategically located to serve surrounding areas minimizing travel distance.

A chain of connected cities.

This concept describes that people living in corners would be farther from the central place- and a circle- in which there would be overlapping areas of service.