Customizing application tabs and menus
Tabs and their child menus provide navigation through Platform application pages.
See Application tabs and menus for a conceptual overview of application tabs and menus.
You can change a tab to be a child menu by adding a parent tab to it. See Changing a tab to be a child menu for details.
You can promote a child menu to be a tab by removing its parent tab. See Promoting a child menu to a tab for details.
You can customize the icons used for tabs and menus when using the Modern - Vertical Menus UI blueprint. See Customizing icons for the Modern -Vertical Menus UI blueprint