Use the tags to mark work items or epics for easy grouping, viewing, and accessing.
To manage all the tags in your project.
Click on the "Settings" tab located at the top of the screen after entering the project.
On the next page, select Tags from the setting navigator.
Click on the Add Tag button and give a name to create a tag.
You can see how many times each tag has been applied in both work details or project overview pane in the Times Used columns.
Click Delete on the action bar to delete a tag.
