RAF intelligence stands for Royal Air Force intelligence. Just like how you use your eyes and ears to learn things, the Royal Air Force uses special ways to learn things about their enemies.
Imagine you and your friends are playing a game of hide and seek. You would use your eyes to find them and your ears to listen for clues. In the same way, the RAF uses tools like special cameras and microphones to find out things like where the bad guys are hiding, what they are doing, and what they are planning.
RAF intelligence helps keep people safe by using what they learn to make good decisions. Just like how your parents might make a decision to not let you go outside if they know it's going to rain, the RAF uses intelligence to make decisions to stop the enemies from doing bad things.
So basically, RAF intelligence is like a super cool spy game, but instead of playing for fun, they use it to help keep people safe.