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You can see the list of all the Job Streams exists in the current folder by clicking on the Job Streams button in the right-hand side panel like below
Edit
You can edit the name of any job stream by click on edit (pencil) icon like
Delete
You can delete any job stream from the list of job streams by clicking on the delete (cross) icon . like
This delete operation will also permanently delete the job stream from the database too.
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also.
Events
You can see the list of all the events created in all job streams of your current folder by clicking on the Events button where you will have two options to select i.e. All Events or Filtered Events.
All Events
If you want to see the list of all the events created in your current folder then click on the All Events button under Events like below
Filtered Events
If you want to see the list of all the events created in a particular job stream then you can filter them accordingly by clicking on the Filtered Events button under Events like below
Reference
Show History