You are asking some very basic questions here that strongly suggest that you have not used JIRA or read any of the documentation, and you are repeating them.
I'd recommend that you contact an Atlassian Solution Partner and get some basic training in, or contact your administrators and ask for their help.
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
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