British Airways
In short
The flag carrier airline of the United Kingdom, headquartered in London near Heathrow Airport.
In plain words
It is a large company that flies passengers and goods all over the world. Most of its flights depart from London Heathrow.
A simple example
A traveller booking a flight from London to New York would fly on a British Airways aircraft.
Why it matters
It is a major part of the UK's transport network and a key global brand. It connects the British economy to international markets.
Easy to mix up
Do not confuse it with Virgin Atlantic, which is another major British airline.