external >> ɪkˈstəːn(ə)l
Definition: [adjective] belonging to or forming the outer surface or structure of something.
Example: the external walls
Definition: [adjective] coming or derived from a source outside the subject affected.
Example: for many the Church was a symbol of external authority
Definition: [noun] the outward features of something.
Example: the place has all the appropriate externals, such as chimneys choked with ivy