Containers
What controls sit in. A box wraps, scrolls and moves focus between its children. A surface adds a layer above it for menus and panels. A popup is another surface on its own plane, so in 3D it has real depth and can be torn off.
What controls sit in. A box wraps, scrolls and moves focus between its children. A surface adds a layer above it for menus and panels. A popup is another surface on its own plane, so in 3D it has real depth and can be torn off.