Understand Finder, Application, and Document Windows
Like windows in the physical world, windows on your MacBook Pro enable to you to view objects on-screen, such as folders, files, applications, and documents. If you learn to work with windows efficiently, you can accomplish tasks you want to do more quickly and easily.
In 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 familiar windows when you run those applications. Instead, you see windows specific to their function. Being comfortable with any kind of window you encounter is important.
Shows the name of the drive, folder, or other location you are currently ...