Aha! Solo- poly! That is what I am!
Thank you everyone for the links and feedback, this has all been very useful to me! I no longer feel like a noob. I can't say just how relieved I am to finally have some clarity and to have found this clarity. I was really starting to feel lost!
Nycidie, I've been reading the posts on the threads you shared, particularly the solo-poly one. Now I know what term to use in my google searches and discussions etc, much clearer than "non-hierarchical." (As a student I like to have clearly defined terms
If anyone comes up with more info at any point I would love to hear it. Thanks a bunch, guys! =)