The hierarchy contains the list of all the elements placed on the UI Screen and allows you to control their visibility and layering.
Enabling/Disabling Elements #
You can disable an Element by unchecking the box beside its name in the hierarchy to later enable it on a certain event using code.
You can change which element appears on top/bottom by dragging the elements in the hierarchy to change their order.
The element on the bottom of the hierarchy list, is the element layered on the top.