Overview layouts allow you to define the Request details. That normally lists all form fields, marked as 'shown on overview' in sequential order. If you want to show them in a way that you control, create a new overview layout.
The portlet 'Overview layouts' allow you to:
|•||: Add a new layout|
|•||Name : Name of the layout|
|•||Use as request fields : shows with a V if the list of fields from the request form is replaced by this layout|
|•||: Duplicate this layout|
|•||: Edit this layout|
|•||: Delete this layout|