How Oracle controls functions from ME and My Client Group controlled by same aggregate priveleges

As we know below are some of the Aggregate privileges shared by predefined Employee and Human resource Specialist roles. How does Oracle controls as which UI should it gives access(ME or My Client Group):

Manage Person Biographical Information
Manage Person Citizenship
Manage Person Contact Details
Manage Person Document Delivery Preferences
Manage Person Documentation
Manage Person Driver License
Manage Person Ethnicity
Manage Person Legislative
Manage Person Name
Manage Person National Identifier
Manage Person Passport
Manage Person Religion
Manage Person Visa or Permit
Manage Personal Payment Method

I understand the data part but UI access is something i am not able to relate.