No, I'm an ignorant newbie. Specifically, I need to know what the permissions do, and how do I assign them. What I had in mind was giving a member the permission to add new members who could only post and edit their own posts. I don't even know how to add members with only author perms myself ...

I'm still looking for such info as users, permission concepts, etc. such as you mentioned. I have RV Site builder which I see is possibly not giving me everything. I got this software because I don't know what a Mysql or a trackback or anything is. If you can direct me to some basic user guide it ...