+D97 refers to a specific designation or classification, often within a broader framework. This identifier frequently marks a unique [Administrative Area](/wiki/administrative_area) or a distinct grouping characterized by shared attributes. Its presence implies a defined boundary, setting it apart for specific [System Analysis](/wiki/system_analysis) or purpose.
+## See also
+- [District](/wiki/district)
+- [Classification](/wiki/classification)
+- [Identification](/wiki/identification)
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