Anything (such as a piece of furniture, or a software feature) that is built in, not added as an extra.
Being an essential and permanent part of something.
Being an included feature that normally comes as an extra.
Constructed as a non-detachable part of a larger structure.
External or superficial; pertaining only to the surface or appearance of something.
Imparting or improving beauty, particularly the beauty of the complexion.
An intangible influence that improves the overall perception of some thing or situation.
A feature existing only on the surface.
Any substances applied to enhance the external color or texture of the skin, e.g. lipstick, eyeshadow, eyeliner; makeup.