
Substructure
Construction Focus
Relates to physical parts of a building or structure often unseen but crucial for stability.

The engineers spent weeks planning the substructure to ensure safety.
Invisibility
Substructure is typically hidden, as it supports from the foundation level or below.

Although invisible, the substructure bears the entire load of the skyscraper.
Metaphorical Use
Can be a metaphor for fundamental systems or frameworks in various contexts.

The constitution forms the substructure of the legal system.
Compare with
BaseFootFoundationFrameworkInfrastructureSupportUnderpinning
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