Superstructure is the particular form through which subjectivity engages with material substance.
Superstructure is a dialectic between utopian imagination and the new technological potential.
Superstructure is the worthless idea that social phenomena could be explained by relating them to economic causes.
Superstructure is immaterial public capital (i.e. Knowledge networks, communication, education, culture, etc.) while infrastructure is material public capital (i.e. Roads, railways, airports, pipelines, etc.).
Superstructure is the set of socio-psychological feedback loops that maintain a coherent and meaningful structure in a given society, or part thereof. It can include the culture, institutions, power structures, roles, and rituals of the society. It is that which, through conditioned behaviors (both interpersonal and situational), enforces a set of constraints and guidelines on human activity in a stable and effective fashion, such that it engenders a society's character.