What does each Facebook Ref querystring parameter mean?

Question

Does anyone happen to know of an article that explains what each ref in facebook's querystring means? I've dug all over the place and can't find it.

<3 Facebook documentation /sarcasm

Thanks!

Answer 1

Here's an unofficial list: http://fbdevwiki.com/wiki/Ref

{edit} there's also official documentation for fb_source here: https://developers.facebook.com/docs/fb_source/ {/edit}