Difference between Dialog and Design_Dialog

dialog:
The Dialog is a special kind of window with a form in the body and a button group in the footer. It is typically used to edit content, but can also just display information.
design_dialog:


    design_dialog (nt:unstructured) -specifies the design editing options for this component.
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1. How to retrieve values read from dialog (widget) to jsp?
Sol: String var= properties.get("<name of widget>","");
2. How to retrieve values from design_dialog to jsp?
Sol: String var= currentStyle.get("<name of widget>","");
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