a building at an airport divided into Arrivals and Departures

where you take your luggage to check in it if you already have your boarding

where you collect your luggage on arrival, and where there are usually trolleys for carrying heavy

where you give in any checked-in luggage and are given a boarding pass if you don't already have one

It took us ages to get through ... when we got back from Italy. (where your luggage may be checked to see if you are bringing illegal goods into the country)

an electronic display showing flight times and if the flight is on time, boarding, closed, or delayed

where you show your boarding pass and ID and board your flight

where planes take off and land

where they check that you are not trying to take prohibited items onto the plane, by scanning your hand luggage and making you walk through a metal detector

where passengers who are travelling business or first class can wait for their flight