Ooh, ooh! A guy in the thread that I think you're referring to had this explanation of what the basement is. I like it. Here you go.
http://www.escapistmagazine.com/forums/read/18.304903-Hello?page=2#12237629
Now don't go down there. Ever!
http://www.escapistmagazine.com/forums/read/18.304903-Hello?page=2#12237629
Now don't go down there. Ever!