+**D0e** is a discrete [digital identifier](/wiki/Identifier), often denoting a unique [data point](/wiki/Data_Point) within a structured framework. It acts as a singular reference, allowing for precise recall and management of individual elements.
+## See also
+- [Unique Key](/wiki/Unique_Key)
+- [Data Field](/wiki/Data_Field)
+- [System Element](/wiki/System_Element)
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