The 4 P's are sacrosanct: People, Process, Philosophy, & Performance. Performance is the score card, but most don't realize how important it is to understand the game before you evaluate the score card. The Performance P needs to be evaluated within the context of the other 3 Ps.

For an interesting analogy, please see http://www.ppca-inc.com/pdf/Minding-Ps-and-Qs.pdf