Ohhh...now it makes sense. After I read this article
Galaxy Note 3 With Flexible Display Rumoured: Waterproof and dustproof as well
Note 3 Active makes much more sense of "limited" version. And, I do remember a leak/report earlier on in the summer where they showed a fcc diagram with a different design from the Note 3 that resembled more of the Galaxy S4 Active.
Now I wonder if there will be a carrier exclusive for the Note 3 Active (if that ends up being the flexible screen version).
Heh...doesn't matter for me. I don't need an active version, but I know people that would get it on Sprint without a doubt.