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.
We're looking for participants for a workshop at Atlassian! We need Jira admins who have interesting custom workflows, issue views, or boards. Think you have a story to sha...
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