+"4a6" is an alphanumeric sequence, often serving as a [Digital Identifier](/wiki/Digital_Identifier). It acts as a concise key, pointing to specific [Data](/wiki/Data) or states within a defined system. Its essence is its unique reference.
+## See also
+- [Encoding](/wiki/Encoding)
+- [Reference](/wiki/Reference)
+- [Code](/wiki/Code)
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