Not a dictionary as such, but probably better because it'll cover all that and what you can do with JIRA - start at https://confluence.atlassian.com/jiracorecloud/getting-started-with-jira-core-765593070.html
Another week, another Topic Tuesday! Agile has been on my mind a lot lately because I've seen good implementations and bad implementations, but now as a Jira admin it matters more to me whether...
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