OK, so what's going on here with folder navigation?
The properties tabs seem to be the same except that the identical folder from:

"This PC" is of type: System
"C:" is of type: This Folder

In addition, it seems that when you change the sort orders, etc. within the separate "types", it saves the new setting separately. What is this "feature" actually called? Is this for some type of "quick views" for when you're doing different things with bulk files routinely? Is there some interface to manage all these different "types"?