* Migration: The movement of people, animals, or plants from one place to another.
* Migratory: Relating to or characterized by migration.
* Migrant: A person, animal, or plant that migrates.
* Emigrate: To leave one country or region to settle in another.
* Immigrate: To enter and settle in a country or region where one is not a native.
Example:
* Migratory birds: Birds that travel long distances seasonally.
* Emigrate to another country: To move from one country to another to live permanently.
* Immigrant population: The group of people who have moved to a new country to live.