Well, they say nobody is better then Secretariat. He is considered the best racehorse that ever lived. He's the best athlete ever. And there's a lot of horses better then Phar Lap. There's Citation, Man O War, Dr. Fager, Seattle Slew.
It is unlawful to change factory installed belts for belts not meeting the same standards. If the vehicle was originally equiped with lap belts, lap belts are all that is required. If the vehicle was equipped with lap and shoulder, then lap and shoulder are required.
I think what you are referring to is the lap function on the stopwatch. Lets say someone is running multiple laps on a track, you hit the lap button when one complete lap is finished and the individual lap time is saved without stopping the stopwatch for overall time