A document’s Title Bar shows the name you saved it with. Immediately to the left of that name is a small icon. That icon’s called a proxy icon. It has several uses.
Set a keystroke for assigning styles to selected text in Microsoft Word.
These nifty tricks for going back and forward in Safari give you just a bit more control.
Command Tab lets you switch easily between different running applications.
Use Tabs in one browser window, rather than having separate windows cluttering up the screen.
Keyboard commands to Quit, Close, Print, Save and Select All.