Hi,
Welcome to ask here!
Would you please tell more information about your question, i'm afraid i didn't understand you clearly.
Group Policy Objects
https://learn.microsoft.com/en-us/previous-versions/windows/desktop/policy/group-policy-objects
Group Policy Overview
https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/hh831791(v=ws.11)
Best Regards,