Search scopes consist of source groups, areas, and topics. These items enable defining the content that will be searched when search queries are performed, and the depth of the search. By defining and using these components, flexible searches can be performed. The scopes are only available on the portal where they were created, but the content can come from other portals or information external to the server.
When creating a search scope, the options for including/excluding information are as follows:
Include All Content— Includes all areas and content source groups.
Include No Topic or Area in This Scope— Do not include any of the content referenced by internal topics or areas.
Exclude All Content ...