The layout tab displays a full preview of your show and provides a view of how all the models will appear. In addition you can :
Define new Models or change existing Model definitions.
Define new Model Groups or change existing Model Group definitions.
Select which Models, or Model Groups are be displayed on the Layout.
Select and adjust the layout background.
Specify, position and adjust the model size , orientation and location on the layout.
Check whether any models have overlapping channels.
Review or change the detailed characteristics of a model’s attributes
Create Additional Preview layout windows
Assign Models to one or more Preview Layouts