Definition: -Clock- : An object that tells time.
Definition: -Clocked- : "Something" that is running at a specified speed.
Definition: -Overclock- : Forcing "something" to run higher than specified speed.

From you post I notice you dont have any knowledge of overclocking at all. Do check out THE LINK provided by kucingfight in the first page to learn about the basics of overclocking on AMDs.

Basically, check out every links about overclocking in this thread.
HERE is a site where you can get your basic overclocking knowledge and advance lessons as well.

Have fun