It tells us that Andy Murray was better than Djokovic on those two occasions and it tells us that Andy Murray at his best is a challenge for Djokovic.
LOL @ the crazies saying Murray did not deserve his slam wins vs Djokovic or that losing to Murray is somehow more demeaning than losing to Federer or Nadal. Didn't Djokovic say when he was younger that he always thought Murray was more talented than him? I am pretty sure I read that. I have also read quotes from Federer from a few years back about Murray and he said he always thought Murray was very talented even more so than Djokovic. I know I read that but I don't have time to find and post the links right now.
Murray does have more natural talent than Djokovic IMO, there are several other posts I have seen on here that agree with that statement.
Djokovic relies more on hard work and consistency than natural gifts, although not to the extreme Nadal does. There is nothing at all wrong with that, but it is the truth.
Murray is a very "talented" individual actually. When I say "talent", I mean natural gifts. Federer, McEnroe, Safin are in this category.
I think a good way of determining a talented player is how difficult they are to blow out or beat in straights when they are down (ie when their "hard work" and "consistency" fail them as is bound to happen occasionally).
When un-injured Nadal loses (yes, it does happen Naddies), he often gets pummeled (WTF 2010 for instance).
Djokovic hammered him in Miami this year too, and on many other occasions also. Nadal hasn't had a look in many times he has played Novak. He often fails to make it competitive (take sets to 7-5 or 7-6, or win sets).
Djokovic, too, has been straight-setted twice this year by a certain Swiss, with only one competitive set in those two matches (7-5 at MC), and Nadal has had
him for breakfast on occasion too (MC 2012 for instance).
It is clear that Nadalovic are consistency/form players who rely on their A game to win. This is not better or worse, just different.
Murray on the other hand does not give up bagel or even bread-stick sets almost at all, despite only having an ordinary serve.
Roger, even in 2013, wasn't just making every set competitive, he was taking sets off Nadal and Djokovic every time they met despite how poorly he was playing. Blowing out Federer is probably one of the toughest tasks there is. Whatever state he is in, if you win the first set 6-4, you can lose the next one 2-6 out of nowhere. That's how you know he is "talented", his B or C game is still world-class.
Just my two cents.