The place at a port, airport, or border where travellers' passports are checked
Passport control
The area at an airport where you show your ticket so that you can be told where you will be sitting.
Check-in
The place where passengers and lugguage are scanned and checked.
Security
the place at an airport, port, or border where goods that people bring into a country are examined to make sure they are legal and whether any tax should be paid on them.
Customs
The place where you can take your luggage.
Baggage collection
An area in an airport terminal where a passenger can access to the aircraft.
Boarding gate