This graph actually is a picture of the NBA after 103 games played this season. A small sample - granted - but worth a quick look.
To simplify, teams to the far right are strong offensively. Teams at the very top are strong on the defensive end. The ultimate goal is to be at the upper-right corner.
After 103 games, with over a thousand left to play:
Rockets, Wizards, and Suns are in the same jumble of "yuck" pic.twitter.com/CCqKh5GZExThe first thing to look at is the far right.