Navigation bar resources are basically links we would like to expose in the Navigation section, on the left side of the Portal.
Usually the URL points to a page within the FIM Portal, but you can also add external URLs if you like.
The Order and Parent Order attributes decide where they appear in the Navigation bar.
But if you look at one of them, for example the Distribution Groups (DGs) navigation bar resource, it has something called Usage Keyword.
The value BasicUI in the Usage Keyword attribute means that the Navigation Bar Resource object will show up for all the users entering the Portal and not just for the administrators. This is why the Portal looks different when a user looks at it.
The Usage Keyword is a multivalued string attribute, with each entry delimited by a new line.
Portal administrators can use this attribute to customize which set of users can see which set of Navigation Bar resources, by following the given steps:
Create a set of Navigation Bar...