A while ago I heard a word that means something representing something abstract, but not actually being that thing. It was in the context of Java's Class objects – that classes in Java are loaded into the JVM in a special way, but that Class objects exist to represent those; they're _____. I feel like it started with an R? Thanks!
Learn English – Word for something that represents, but is not, something abstract
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Best Answer
It sounds like you're thinking of reification. From Cambridge Dictionary:
This standard definition is very slightly different from an existing object that stands in for something that remains abstract (that sounds a bit more like a symbol), but I can see it being used that way in a specialized context. I've mostly heard it used in the social sciences, but Wikipedia says that in computer science
That second sentence, especially, sounds like what you've described.