Resource Paths

After installing Python 2.7 (I hear that 3.x is not yet widely adopted, like the holdouts still running Windows XP) and Django, I loaded up what looks like the "official" tutorial and followed closely. Right away you get started creating a directory structure for a main project with room for applications (modular sub-components). Within the program files (aka modules or namespaces) there would be what looked like references to some kinds of resources "out there" in the system. For example: