The parent of an entry should be the identifier of another entry.
Identifier should be unique (within a menu).
-The following order is used to determine identity Identifier > Name >
-LinkTitle > Title. This means that the title will be used unless
+The following order is used to determine an Identifier:
+
+> Name > LinkTitle > Title.
+
+This means that the title will be used unless
linktitle is present, etc. In practice Name and Identifier are never
displayed and only used to structure relationships.