What do you call it when a hypothetical,abstract concept is given a name and then treated as though it were a concrete,tangible object

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Reification is the act of treating an abstract concept as if it were a concrete object. It involves giving a name to something that doesn't actually exist in a tangible sense and then treating it as if it were a real thing. This can be seen in various fields such as psychology and philosophy where abstract concepts like 'mind' or 'justice' are given names and treated as if they are something that can be examined and analyzed in a concrete sense.

What Do You Call It When a Hypothetical,abstract Concept Is