you're funny, this is a sketch thread.
sketch (skch)
n.
1. A hasty or undetailed drawing or painting often made as a preliminary study.
2. A brief general account or presentation; an outline.
Is it too difficult of a concept for you to comprehend? Or shall I direct you to http://giraffian.com/dictionary, so you can take as much time as needed to wrap your head around the concept?
/rant