The system is very simople. You'llview a representation of the space (stars included) featuring a small window with the HD. Zoom in using the mouse to view the content.
Then, zoom in a folder and you'll view the files in it, it works with subfolders too.
It's very easy, just try it. Extremely intuitive and it gives your desktop n stunning look.
Eagle Mode is a curious and interesting way to browse your files. A program to surprise your friends.