See also:

Traction AA, A, B, C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government test ...

Types of tires
You should be familiar with type of tires present on your vehicle. ...

GVWR and GAWR (Gross Vehicle Weight Rating and Gross Axle Weight Rating)
The certification label attached to the driver’s side doorjamb shows GVWR (Gross Vehicle Weight Rating) and GAWR (Gross Axle Weight Rating). The GVW (Gross Vehicle Weight) must never exceed the GVW ...