Hi,
Thanks for your update.
These above baselines are related to co-management workloads, when workloads is under SCCM, the device is managed by SCCM, when workloads is under Intune, there will these configuration.
When these baselines are shown as on the side of client, there are related workloads shown in the SCCM console:
Here is the related article:
https://www.manishbangia.com/sccm-co-manage-capabilities-workload-explained/
Note: Non-Microsoft link, just for the reference.
About configuration items and baselines, they are not related with co-management, baselines are used to define the configuration of a product or system that is established at a specific point in time.
Here is the link:
https://learn.microsoft.com/en-us/mem/configmgr/develop/compliance/about-configuration-baselines-and-configuration-items
If the answer is the right solution, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.