panopticon

nouns

an area where everything is visible
is derived from
is a type of (narrower)
a part of a structure having some specific characteristic or function
"the spacious cooking area provided plenty of room for servants"
a circular prison with cells distributed around a central surveillance station; proposed by Jeremy Bentham in 1791
is a type of (narrower)
a correctional institution where persons are confined while on trial or for punishment