Apple Keynote '09 - Manual (Page 15)

Chapter 1 Keynote Tools and Techniques 15
Most themes come with the following master slides:
Master slide Recommended use
Title & Subtitle Title slide or section titles within your
presentation
Title & Bullets Content
Title & Bullets - 2 Column Content you want to appear side by side
Bullets General content pages that require bulleted text;
the text area fills the entire slide
Blank Graphics-rich layouts
Title - Top or Center Title page or section titles within your
presentation
Photo - Horizontal Horizontal photo with title below
Photo - Vertical Vertical photo with title and subtitle on the left
Title, Bullets & Photo Title page or section title with text and photo
Title & Bullets - Left or Right Content slides on which you can place bulleted
text on the left or right and a graphic on the
other side of the slide