IMTU. Drive skill as the example, and compared to US driving standards:
Drive-0 = Driving Permit
Drive-1 = Drivers License and a few years experience
Drive-2 = Commercial Drivers license and a few years experience
Drive-3 = You can drive race cars, but you won't win the race without a better car or much higher stats
Drive-4 = You can drive race cars, and you have a fair chance of winning the race
Drive-5 = You can drive race cars, and you will win, unless the other drivers have better cars and better stats
Drive-0 = Driving Permit
Drive-1 = Drivers License and a few years experience
Drive-2 = Commercial Drivers license and a few years experience
Drive-3 = You can drive race cars, but you won't win the race without a better car or much higher stats
Drive-4 = You can drive race cars, and you have a fair chance of winning the race
Drive-5 = You can drive race cars, and you will win, unless the other drivers have better cars and better stats