Originally posted by Rhapsody:

That's the part which has been tagged "citation needed", which is the unreliable part. As I said, I'm not a teacher, you are responsible for your own education as well as not arguing with terms which are not familiar to you.

In the gaming community "meta" describes the best/most efficient/most viable way to play a game. Wikipedia is not a good source for such stuff because this article probably was written by someone who has no relations to gaming.