The theme shows the content of the following special named pages at the left, right and top:

• top_navigation (displayed at the top)
• default_sidebar_left (displayed at left)
• default_sidebar_right (displayed at right)
• <page>_sidebar_left (displayed only for <page> at left instead of the default_sidebar_left)
• <page>_sidebar_right (displayed only for <page> at right instead of the default_sidebar_right)
• <namespace>_sidebar_left (displayed for all pages of <namespace> at left, if no page with the same name exists)
• <namespace>_sidebar_right (displayed for all pages of <namespace> at right, if no page with the same name exists)

Schematic capture : http://code.google.com/p/webtronics/