When you open the page Layouts, the following is displayed.

The following functions are available on this page: 

• Icon  on the side to the right shows you the Collection basket for mass processing. 
• Button   Layout

In the lines of this view you will see the following:

• Display name
• Organizational unit
• Icon  
• Icon  

You can access the layouts by pressing on the line or on the icon  . 

If you click on the words Name or Organizational unit highlighted in blue, you can change the alphabetical sort order of the users.