SURFACED

The outer boundary of an artifact or a material layer constituting or resembling such a boundary

Example: "There is a special cleaner for these surfaces"

The extended two-dimensional outer boundary of a three-dimensional object

Example: "They skimmed over the surface of the water"

The outermost level of the land or sea

Example: "Earthquakes originate far below the surface"

A superficial aspect as opposed to the real nature of something

Example: "It was not what it appeared to be on the surface"

Information that has become public

Example: "All the reports were out in the open"

A device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight