Definition of immigration
https://www.immigration-residency.eu/#immigration-europe-definitions
Immigration - the action of coming to live permanently in a foreign country. To come to a place or country of which one is not a native in order to settle there.
Immigrate - to move into another country to stay there permanently.
Immigrant - migrant/foreign workers (both legal and illegal) and refugees.
Emigrant - someone who leaves a country to settle in a new country.
Emigration - the act of emigrating; movement of a person or persons out of a country or national region, for the purpose of permanent relocation of residence.
Migration - an instance moving a place to live to another place for a while.
Illegal immigrant - someone who has immigrated into a country by bypassing customs and immigration controls or has overstayed a valid visa.
Undocumented immigrant - an immigrant who has entered a country in an unauthorized manner (often as a migrant worker) and has no documentation.
Asylum seeker - someone who flees their home country and seeks asylum in another; a refugee.
Asylum - place of refuge.
Exodus - a departure or emigration, usually of a large number of people.
Trek - to travel or migrate, especially slowly or with difficulty.
Transmigration - to migrate from one country to another in order to settle there.
Resettlement - the act or state of settling or the state of being settled.
Relocation - to move (a building, company, person, etc.) to a different location.
Displacement - the state of being displaced or the amount or degree to which someone is displaced.
Exile - anyone separated from his or her country or home voluntarily or by force of circumstances.
Voyage - a journey or expedition from one place to another by land.
Travel - to go from one place to another, as by car, train, plane, or ship; take a trip