Thanks, prolaznik!
I had been having trouble understanding how to manage my forums. I'd spent, literally, hours trying to figure out how to add topics, not Groups. I was moments away from removing the Module with the intent to figure it out later... after sleeping on it. After seeing your post to compile the language, the page took form and things clicked. Instantly.
Unrelated? Maybe, but something just made sense after that.
What I don't understand is why Orca seems to have an extra "layer" called Groups. Most forums I've seen follow the structure of Forum > Topic > Posts, yet Orca's organization is Group > Forum > Topic > Post. I don't expect an explanation, but I find it odd and it was confusing, given my experience with other forums. Maybe this confuses others as well, and maybe I'll find a use for Groups.
Thanks again for your simple, yet enlightening, post!
-Daniel