Feed layout
A canonical layout for items that can flow into a feed
Fixed and flexible layout
A two pane layout with one fixed and one flexible pane
List-detail layout
A canonical layout with a list pane and a detail pane
Single pane layout
A single pane layout with one flexible pane
Split-pane layout
A two-pane layout with two flexible panes
Supporting pane layout
A canonical layout with a focus (primary) pane and a supporting (secondary) pane