Apple iWork '08 - Manual (Page 114)

114 Chapter 3 Getting Started with Keynote
To move slides to a higher level:
m Select the slide or slides and press Shift-Tab.
To show or hide a group of slides:
m Click the disclosure triangle to the left of the first slide in the group.
Important: If a group of slides is hidden (collapsed), deleting the first slide deletes the
entire group.
To move a group of slides:
m Drag the first slide in the group.
Indent slides to group
them.
This group of slides is
hidden (collapsed).
Drag slides in the slide
organizer to put them in
a different order.
This line indicates a
skipped slide.