You can edit or delete a Tag on the Contacts page. Editing or deleting a Tag will edit or delete that Tag for all contacts for whom it's in use.
1. Go to your Contacts page.
2. Click "Tags" on the left hand side.
If you only have a few Tags, you can edit a Tag by mousing over it and clicking the square that appears to the right. A pop-up window allows you to edit or delete the Tag.
If you have many Tags, the number of remaining Tags will be indicated below an abbreviated list. Click "View all" to the right of the number.
A pop-up window allows you to search and edit Tags. Clicking the Edit button to the right of a Tag allows you to modify or delete the Tag.