To manage your groups, At the left menu click Manage -> Groups
• You'll see a table with the current, already set group.
• URLs: how many URLs are in that tag, click the number to display the URLs.
• View: a link to the "URL View" filtered by that group.
• Actions: edit, duplicate or delete each tag.
• By clicking the Add New Group button, at the top right, you can add a new group.
• Bulk group deletion - check the groups on the left and click Delete at the top.
Deleting a group does not delete the URLs/terms under it.