I was trying to hide some field names in a worksheet I placed on a dashboard and found that I could right click on them and select hide. However, I then found that I made a mistake in hiding one of the fields and wanted to show/unhide it. When this happens with the title of the worksheet, I can just go to the worksheet menu and re-check the Title option. However, I could not find a similar option for the field names I placed on the worksheet.
In the help section, I found this, solution, which refers to a Table menu: