The backup archive screen gives you a total overview of all your current backups wherever they are stored.

From here you can manage those backups.

Restoring a backup

Steps and explanation on how-to restore a backup

Deleting a backup

Delete a backup to reclaim the disk space it is using.

Add a comment

Add comments to your backup.

Show In Finder

See where the backup is stored on your external media

Get Info

Display the details about your backup data.

Compress

Compress your backup so that it takes up less space