Explanation:
Graphical user interface, text, application Description automatically generated

Box 1: Business
If you put a connector in the Business group, it can only be used with other connectors from that group in any given app or flow.
Box 2: Non-business
DLP policies enforce rules for which connectors can be used together by classifying connectors as either Business or Non-Business.
Box 3: Blocked
Sometimes you might want to block the usage of certain connectors altogether by classifying them as Blocked.
Data policy group Business blocked
Reference:
https://docs.microsoft.com/en-us/power-platform/admin/wp-data-loss-prevention