When I look at tracks I'm looking at how the animal walked. How long was his stride. How wide is his body.
If his front set are outside his back set and deeper then I know its a mature buck that is very broad in the shoulders. Does generally have front tracks inside the back and the equal in depth or shallower.
I can get a good feel for what deer are in the area and how long since they've been through. There are more to read in tracks then just how big they (the tracks) are.