+**19 D123123aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa13oollll** is a unique alphanumeric [Identifier](/wiki/Identifier) within a specific classification framework. This complex string is often associated with the recording of a singular [Event](/wiki/Event) or dataset, marking its place in a vast, abstract system.
+## See also
+- [Data Sequence](/wiki/Data_Sequence)
+- [Nomenclature](/wiki/Nomenclature)
+- [Classification](/wiki/Classification)
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