Foren / Cotonti / Skins / CSS Menu Current

PHP.z and PHP.e are most commonly used to identify the location. There are more and it depends on what you treat as useful. As you might guess, there is no such list, so if you're finished with the PFS remodelling, why won't you pick up the tough job of compiling and systemizing the list of variables that might be useful for coders and skinmakers?
ps. as you might know, z can be admin, forums, index, message, page, pfs, polls, pm, plug or users