Easy to remember: green means go. A yellow flag means the opposite: there is a hazard up ahead that the driver needs to be aware of. If the flag is waved once, they must reduce their speed ...
Lando Norris managed to reduce his deficit to Max Verstappen in the Formula 1 World Championship ... He still feels hard done by with the yellow flag that was created. "No, it wasn't fair.
There's more to Formula One than just being the fastest driver ... Track clear Follows a yellow flag and denotes the track ahead is now clear of the hazard that prompted the yellow flag beforehand.