Revit Architecture 2011 Interface,InfoCenter and Properties

Revit Architecture 2011 Interface Organization 
InfoCenter
To the far right of the QAT is the InfoCenter.

From left to right, you have the ability to search, access the Subscription Center, access the
Communication Center, save favorites, and get help.

Properties
The Properties tab contains the instance parameters of whatever you’re currently working on.
From this palette you can access the Type Selector, filter properties, and edit type parameters.