I'd consider the "description" category the "description" seeing as how it is the "description" and not the thumbnail. If you need help in figuring out what the "description" is I'd suggest you look up the word "description" and then fuck yourself with a pumice stone the "description" of which can be found here
http://dictionary.reference.com/browse/pumice
and that is the definition (to some people maybe the "description") of the word pumice not some bullshit idiot idea of things that aren't a "description" of which can be found...actually fuck it have you caught the "description" of this post? It's I hope you can fuck yourself...I'd post a "description" of how to do it but we can't post html but if you can imagine a "description" of it it is you (and this is just a "description" not the real thing sadly) taking your hand (a "description" of which can be found here
http://upload.wikimedia.org/wikipedia/en/thumb/f/fa/Hand.svg/4 96px-Hand.svg.png
and sticking it up your ass.
This is what happens when D&D nerds take "revenge" on their highschool bullies by bulking up in Mom's basement to prove that they are moer than just a D20 rolling machine.