Camber is The wheel leaning at the to EXAMPLE it you were LOOKING AT THE WHEELS FROM EITH THE FRONT OR BACK OF THE TRUCK /---\ this is what negative camber would look like. EXAPLE 2: \---/ this is what positive camber would look like..

Toe in or out: LOOKING FROM THE TOP OF THE TRUCK /--\ this is toe in EXAMPLE2: \--/ this is toe out.

Caster: This one is a little harder to explain if you take your wheel off and look at the front carrier if it is tilted back slightly this would be negative caster. If it is tilted forward it is positive caster.
In the rear caster is referred to as squat. Anti being negative Pro being positive.


Legend
/ \ = wheels
--- = arms and chassis

I hope this helps you out.