doubt in VA01 (pricing condition)

hi ,

In VA01->Condition ,the fields which doesnt have condition Type are appearing in Blue color,can any one tell why it so.

Also i want to know , i have standard condition type "PR00" also i have my own condition type like "za","zb" in condition but only the "zb" is fully processed i.e yellow in color and other condition type are in Green in color(triangular in shape).

So i want to know why the other condition types are not fully processed .

Points are assured!!!

Thanks

Ganesh