superstructure

noun

• a structure built on top of something else.
• the parts of a ship, other than masts and rigging, built above its hull and main deck.
• the part of a building above its foundations.
• a concept or idea based on others: a distinction between foundations and superstructure, basic and non-basic beliefs, is central
• (in Marxist theory) the institutions and culture considered to result from or reflect the economic system underlying a society.