Define passport, domestic flight, immigration, emmigration?

Passport: A passport is an official document issued by a government that certifies the identity and nationality of the holder, allowing them to travel internationally.

Domestic flight: A domestic flight is a flight that takes place within the borders of a single country, as opposed to an international flight which crosses borders.

Immigration: Immigration refers to the process of entering and establishing oneself in a country that is not their native country, typically for the purpose of permanent residence.

Emigration: Emigration refers to the act of leaving one's own country to settle in another country, typically for permanent residence.

Passport:

- An official document issued by a government that identifies the bearer as a citizen of that country.
- Required for international travel and contains personal information, photograph, and biometric data.

Domestic Flight:

- An airline flight that operates within the same country.
- Typically connects cities within the country and does not require a passport for travel.

Immigration:

- The process of entering a new country.
- Involves passing through customs and presenting a passport and visa (if required).

Emigration:

- The process of leaving one's own country to settle permanently in another.
- Involves surrendering citizenship and obtaining residency in the new country.