Question: what is the definition of superstructures? 

Answer: A physical or conceptual structure extended or developed from a basic form. \nThe part of a building or other structure above the foundation. \nThe parts of a ship's structure above the main deck. \nThe rails, sleepers, and other parts of a railway. \nIn Marxist theory, the ideologies or institutions of a society as distinct from the basic processes and direct social relations of material production and economics
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