• Hide Full Name - specifies that only the Name of the Package is displayed, that is, the Package Name is not prefixed by its scoping Packages.
• Show Full Template Parameters - specifies that the fully scoped name of each Formal Template Parameter is shown, that is, for each Formal Template Parameter that references an item, the name of the referenced item is prefixed by its scoping Packages.
If you opened the View Options by right-clicking the diagram background, the check boxes you select set the default view options for any Packages that are added to the diagram there after.
If you opened the View Options by right-clicking one or more selected Packages, the check boxes you select change the view options of those Packages.