Think it's the ratings you've received on your posts. Positive/neutral/negative. Something along those lines anyway.
CheerfullyInsane, What does that mean? Are people giving reviews on threads? Ranking threads, Ranking drivers, next we will be ranking food. How deep can this go? Cool name, most people in Denmark got cool names. "Nash"
It's the reactions in the lower right corner of each comment: Like, Dislike, Agree, Disagree, etc. Positive ones you receive give you +1 to your "green" number; others, I think, don't affect anything.
Well, maybe I can't out race you guys. But, maybe I can out talk you guys to boost my rating. There's another like for you Rader "Nash"