I'm not sure there's an answerable question here.
Project and defect management in JIRA are what they say they are - you can use JIRA to track those things.
Then there's a collection of words with no context - I can't tell you anything other than they're things related to issue tracking.
And for the last line, start at https://www.atlassian.com/software/jira
In the past, Portfolio for Jira required a high degree of detail–foresight that was unrealistic for many businesses to have–in order to produce a reliable long-term roadmap. We're tur...
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