What is "arrival gate"

Usage examples of "arrival gate".

I didn't ask for it right away because he'd been standing by the big Cinzano poster doing nothing ever since I'd come through the arrival gate, so I went along to have a look at him.

Dead ahead was Gate 4, which was used as the arrival gate for United's incoming flights.

But before she boarded the flight in New York, she called a reporter out in Los Angeles, an old friend of hers, and set up an interview, with trusted witnesses, at the arrival gate at LAX.