A group contains one or more settings, and a setting contains one or more parameters. Managed objects (systems discovered in the managed network) become members of a group based on the matching criteria for the group.
Relating managed objects to groups and settings illustrates the relationships between managed objects, groups, and settings.
![](images/GUID-22085E32-4432-4106-AE81-E40B14705F81-low.png)
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The domain manager core class for group (in the sense of "groups and settings") is ICIM_Configuration. This class is the parent of all group classes that are used by Network Protocol Manager or any other Domain Manager.
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The domain manager core class for setting is ICIM_Setting. This class is the parent of all setting classes that are used by Network Protocol Manager or any other Domain Manager.
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The domain manager core class for managed object is ICIM_ManagedElement. This class is the parent of all managed object classes that are used by Network Protocol Manager or any other Domain Manager.