This dialog box lets you configure the tabs in the Contents Window. You can reorder the settings and/or hide individual tabs which are of no interest to you.
"I have been developing using CRiSP for almost a year now, and have found it quite a time-saver and productivity tool. Granted it's more expensive than vi, or GNU emacs, but it also makes them look like the sick Stegosaurus (or was it a Bronto-saurus?) in Jurassic Park."