At this time, there is very limited customization available for the JIRA Core boards (actually none really). You can't show more fields on the cards themselves on the board.
The only way to see priorities / labels, etc. are to open the card themselves, and click "Show More Details" on the right hand side. https://confluence.atlassian.com/jiracorecloud/working-with-boards-800712866.html
Think of the boards built into the JIRA Core Projects as "Trello" boards...i.e. less customization. If you want full customization on your cards / boards, and the ability to easily move tasks between workflow steps, I recommend creating a Kanban project in JIRA Software.
Hope this helps!
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs