Target audiences are either internal or external users who are defined as members of a specific target, such as security access levels or site administration capabilities. User segments, which are used to identify target audiences, are divided into external and internal user segments. Internal user segments are used by Knowledge Manager, while external user segments are used by Self Service.
Note: A management server is required to create external segments.
User segments are used for:
Setting field security on global fields
Setting list value security on list field values
Setting value security on the intrinsic fields Owning Group, internal audience, and external audience
Self Service site management
For information on creating user segments, refer to the ATG Business Control Center Administration and Development Guide.