sfedi said:jw, you're confusing clear with well defined.
One entry found for well-defined.
Main Entry: well-de·fined
Pronunciation: "wel-di-'fInd
Function: adjective
1 : having clearly distinguishable limits, boundaries, or features <a well-defined scar>
2 : clearly stated or described <well-defined policies>

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.