Applications Applications.directory <-- Search the default locations --> <-- Merge third-party submenus --> applications-merged <-- Merge legacy hierarchy --> /usr/share/applnk <-- Define default layout --> More <-- some random moves, maybe to clean up legacy dirs, maybe from menu editing --> Foo Bar Foo2 Bar2 <-- A preferences submenu, kept in a separate file so it can also be used standalone --> Preferences Preferences.directory preferences.menu <-- An Office submenu, specified inline --> Office Office.directory Office foo.desktop }