Superstructure

Noun

1. Any structure built above the top full deck (FM 55-501).
2. Any material structure or edifice built on something else; that which is raised on a foundation or basis.
3. All that part of a building above the basement.<!--split figurative sense?-->
4. The sleepers and fastenings, in distinction from the roadbed.
5. The social sphere of ideology which includes religion, art, politics, law and all traditional values.