Person EIT how to setup the Associated Categories and pages?

Summary

Person EIT how to setup the Associated Categories and pages?

Content

Hello,

Im adding a new PERSON EXREA INFORMATION- by adding it in 'Manage Extensive Flexfield' - > Person EIT Information
segments.
I added the context values , but when trying to add value under -
'Associated Categories' , 'Associated Pages' - i cant find anything to add - the list is empty .
I see existing EIT's in the system with associated pages and categories.

How can i create/add the 'Associated Categories' , 'Associated Pages'  for the Extensive DFF? what is missing?
I couldnt find how in the Oralce docs that i have.