+"B4" often signifies a specific position or designation within a structured [System](/wiki/system). It can denote the fourth element in a 'B' [Sequence](/wiki/sequence), a common naming convention across diverse fields. This simple identifier helps in organizing and referencing components.
+## See also
+- [Identifier](/wiki/identifier)
+- [Nomenclature](/wiki/nomenclature)
+- [Classification](/wiki/classification)
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