NFL: Chris Carter said TY Hilton did not run a good route on the INT play vs the Eagles. "He did not run a professional route". What does this mean? What makes it a bad route vs what would have been the good route?

I'll take the answer off the air. via /r/nfl http://www.reddit.com/r/nfl/comments/2gjyo1/chris_carter_said_ty_hilton_did_not_run_a_good/