It has been pointed out multiple times that some of the terminologies in Jenkins have been confusing especially for new users. 2.0 is a great opportunity to take a fresh look on the terminology and try to sort them out.
This is a blanket ticket to track what we are taking on, what are rejected, and what are pushed out of scope.
See the linked tickets for individual proposed items.
This epic is likely the one that drives most bikeshedding. So inputs are welcome, but I suspect at some point we'd make a decision and stick with it.