Okay, now in applying this further to Perl specifically, is a list (in distinction from an array or a hash) an entity? It seems to me it is not, but rather a value like your string "hello world.\n" that must be placed within an entity in order to be usable.
Also, where do anonymous entities, that is, anonymous subroutines and datastructures, fit in here? Are these entities that are not bound to a name, but rather have only references? Or are such things bound still in the theoretical sense, with the difference between named and anonymous thingies meaningful only at the language level?
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