Menus are lists of navigable links or actions. Links or actions can be grouped and should follow a logical hierarchy.
Navigation/links - Takes the user to a specific area of the product
Actions - Allows the user to perform specific actions.
Selection - Allows users to select objects to perform actions on
Menu items order should follow some sort of logic. Menu Content can be dynamic or static.
Menu hierarchy can be typically determined by one of the following:
Used in specific use cases where menu items require hierarchy.