This is the optimum line around a race circuit and in theory it is the fastest way around the track
Retirement
Retirement is usually the result of an accident or mechanical failure on the car, either way it means the car and driver are out of the race and will not be scoring any points for the team.
Ride height
The distance between the bottom of the car and the ground is called the ride height, this is controlled in the regulations by the use of the ‘plank’.