INTRO. TO THE CUBE
There are 27 pieces holding the Rubik's Cube together.
*12 edges
*08 corners
*06 centers
*01 axel

12 edges (highlighted in gray)
08 corners (highlighted in gray)
06 centers (highlighted in gray)
1 axel holds all these pieces together.  I don't have a picture available of it at this time.
That's generally the introduction I was given a year ago, and I turned out alright; So I'm going to end there.  The next most important thing to look at is >>>NOTATION<<<