What is the function of a 'Concessions' in an airport?

Hi,

In a movie, I saw the word 'Concessions' on a direction board in an airport?

I checked, but I can't make sure the exact function of 'Concessions'?

An airport 'concedes' to Tom the right to sell souvenirs at the airport. 'Concede' here is a legal term, and involves a financial aspect. Tom can now open a souven

An example:
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What are concessions

Concessions are private businesses operating under contract in state parks to provide products and services designed to enhance the park visitor's experience but are not normally provided by State employees.

What type of concessions does State Parks have?

Concessions range from small-scale, seasonal services,

CliveAn airport 'concedes' to Tom the right to sell souvenirs at the airport. 'Concede' here is a legal term, and involves a financial aspect. Tom can now open a souvenir shop there. The word 'concession' tends to refer to small businesses at the airport, sometimes using small premises or kiosks. They often sell things like snacks, drinks, souvenirs, newpapers, books, cig

Marius HancuAn example:
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golf courses, marinas, aquatic services, equestrian tours, theaters,
and educational programs and demonstrations.

http://www.parks.ca.gov/default.asp?page_id=22602

Thanks a lot.

I got it.