Captain Crash, I and many of my collegues use "resume own navigation direct ..." and not what you say "Direct own navigation to ....."
This means in my phrase to go direct to the point specified and then continue on own navigation. We have to use "resume own navigation" to cancel the need for vectoring putting the onus of navigation back in the cockpit. A VOR/fix is specified to save any uneccesary and unwanted large turns to a closer point. I would say that the phrase you state means exactly the same but is very badly worded.