No idea. We're a community of end-users of Atlassian stuff, and most (or all) of us have no knowledge of how you (or rather your co-users) have configured your system. You'll probably need to ask one of the other people who use your system what the board is for and why they've shared it with you.
You can update estimates because some places find it useful to do.
I have multiple projects that use variations of the same base workflow. The variations depend on the requirements of the project or issue type. The variations mostly come in the form of new statuses ...
Connect with like-minded Atlassian users at free events near you!Find an event
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no Community Events near you at the moment.Host an event
You're one step closer to meeting fellow Atlassian users at your local event. Learn more about Community Events