Chapter 2: Looking Through Mac OS X Finder Windows
Understand Finder, Application, and Document Windows
Like windows in the physical world, windows on MacBook enable you to view objects on-screen, such as folders, files, and documents.
In Mac OS X, most windows have common elements no matter what application you are using. In some cases, particularly with games and utilities, you might not see document windows when you run an application; instead, you see windows specific to the functions of those applications. It is important to be comfortable with any kind of window you encounter.
Shows the name of the drive, folder, ...