We try to put all relevant information where it is needed, but sometimes there is no ovious place to put it, so if you lack some general information then it might be hidden around here.
If there are something you need to get an answer to then please take a look at the about page for the proper email address to use.
This is also the place you can find our guide to installing a working Java 2 on your system for use with some of the fancier features on the site.