Where can I find all types of tracking data?

I checked these sites.

https://developer.apple.com/app-store/user-privacy-and-data-use/

https://developer.apple.com/app-store/app-privacy-details/#user-tracking

I would like to know more information about IDFA.

Who assigns IDFA value to where (ex. Apple to the device or Apple to the user Apple ID)

And I want to know what information an app with tracking permission can know.

ex. Email address, gender, age, etc...

Where can I find out what kind of data is being shared by allowing tracking permissions?

Apple developer support service was not helpful.

Where can I find all types of tracking data?
 
 
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