SharePoint Search Service Application Name
Displays a list of the Search Service Applications available to you.
SharePoint Scopes
Determines the SharePoint scopes that are used during the search. Selecting the associated check box enables the scope.
All Sites
Engineering RnD
In-process Engineering Content
Production
Archive
Recursive where used
Specifies that you want to conduct a nested where used search rather than a single level search. This option is available for managed documents only.
Process options
Displays the Process Options dialog box so you can select file types as search criteria.