It is the area of entry into a Country, typically at the airport at which goods and cargo are searched for various reasons, such as ensuring persons are bringing in no illegal items etc

to leave the ground, usually in a plane

a place to store carry-on bags above the passenger seats

The document you need to travel to different countries

The place where somebody comes to you. Usually at an airport

It is the code written on your boarding pass.

a safety device that holds passengers in their seats

You need this document to board a flight

the lowest class of traveling; economy tickets are the cheapest tickets

It is the area where passengers board to the aircraft

Bags that are small enough to take on the plane with you

When something happens at a later time than expected

the part of the plane where the captain and co-pilot sit to fly the plane