This screenshot shows the Oracle Enterprise Manager Console window for creating XML Schema.
The dialog on the left side of the window contains the Navigator which has a tree of the XML Database schema you can create.
The dialog on the right side is the XML Schema Based Objects section that has specific tasks you can perform.
The menus at the top include File, Navigator, Object, Tools, Configuration, and Help. There are icons on the left-hand side that provide an alternative method for launching various tasks.