Probably the most used editing view after Normal view is the Slide Sorter view which displays thumbnail sized representations of all slides in your presentation. To access the Slide Sorter view, you can choose either of these options: Click the Slide Sorter button on the status bar, or choose the View | Slide Sorter menu option. Here are some guidelines for selecting slides in Slide Sorter view.
Learn about Slide Sorter view in PowerPoint 2011 for Mac.

