A system is a network of interdependent components that work together to try to accomplish the aim of the system. A system must have an aim. Without the aim, there is no system.
Klitschko has had a good career. A lot of his fights have been out of the country as though he hasn't even been invited into the real heavyweight picture in the United States. He's a good fighter. You can't talk about him unless you can beat him and it doesn't seem that there's anyone around who can truly beat him.