It tells everyone that you care deeply about the safety of your dog. It tells everyone the commitment you have made to protect and care for your dog. It tells everyone that your dogs life is worth a little effort and a few dollars.
It also tells everyone that your dog will not be hit and killed on the road. It tells people that your dog will not be attacked by a stray dog. It tells people that your dog won't be spooked and run off. It tells everyone how responsible you are.
So, yes...a fence does speak.... It tells everyone exactly what kind of pet owner you are.