The panels, are simply containers of the graphical components.
In the SwingRunner simply they implement JPanel, that is to say, they can contain graphical nobody widget. In the Surroundings Web simply they group the contents.
It is very easy to implement panels. In the initial distribution we have following the panels:

• Panels to group contents:
  • FlowPanel>
  • SplitPanel
  • TabPanel
• Panels to show data:
  • BeanPanel
  • TablePanel
• Definibles panels by the user:
  • FormPanel