This page provides a visual representation of the hierarchy of user group levels in Mambo. For a text only description please visit User Group Access Levels.
These images illustrate how the user group hierarchy works. Reading from the top of each image, the user groups go in descending order - from the users with the highest level of access, down to the users with the least access rights.
Of course, there is also one group of users that have no user access rights at all, apart from being able to see your web site in their browser - they are just the visitors, or guests, who are not registered on your site!

Now that you have seen how these levels work, it's time for an explanation of which group is allowed to do what... User Group Access Levels