- Domain
- Race procedure
- Era
- Timeless
A flag that stops the session immediately, shown when the track is unsafe — a heavy crash or extreme weather. Cars return to the pit lane to wait.
More in Race procedure
- Backmarker
- Black flag
- Black-and-white flag
- Blue flag
- Chequered flag
- Clean and dirty side
- Cool-down lap
- DNF (did not finish)
- DNS (did not start)
- Drive-through penalty
- Formation lap
- Grand Prix
- Green flag
- Grid
- Interval
- Jump start
- Lapped car
- Lights out
- Meatball flag
- Pit lane
- Pit limiter
- Pit stop
- Podium
- Pole position
- Qualifying
- Reconnaissance lap
- Rolling start
- Safety car
- Sector colours
- Sprint
- Standing start
- Stop-go penalty
- Unsafe release
- Virtual safety car (VSC)
- White flag
- Yellow flag
Lift and coast: easing off early into a corner to save fuel and brakes, giving up very little time.