This topic describes the development architecture that you can use to customize Siebel Open UI. It includes the following information:

• Overview of the Siebel Open UI Development Architecture

• Example of How Siebel Open UI Renders a View or Applet

• Customizing the Presentation Model and Physical Renderer

• Customizing the Physical Renderer

• Customizing a Plug-in Wrapper

• Stack That Siebel Open UI Uses to Render Objects

• Items in the Development Architecture You Can Modify

• Example Client Customizations

• Differences in the Server Architecture Between High Interactivity and Siebel Open UI

• Differences in the Client Architecture Between High Interactivity and Siebel Open UI