Look at the TMs and the HMs,they're CDs.How can a Pokemon actually learn a move in a CD ?
Do the CDs have instructions on how using the move or something ?
This link has all you need to know
^They are really machines if you look at a TCG card and are CD's in the game.
^Fire Red/Leaf Green's attaching a TM.
Bulbapedia's TM page
Well,yes that is how a CD works is it not