The display name is the name of an object as it appears in the navigation tree. You can change the order in which the objects are displayed in the navigation tree by clicking
Sort By
in the tree options area and selecting the appropriate sort option.
Choose from the following sort options:
Display Name (a-z)
sorts the objects in the tree alphabetically according to display name.
Display Name (z-a)
sorts the objects in the tree in descending alphabetical order according to display name.