+**Cf2** refers to a conceptual framework where two primary elements or forces are intrinsically linked. It often explores the nature of their [Relation](/wiki/relation) and mutual influence within a defined system. This duality is a common lens for understanding fundamental [Structures](/wiki/structures).
+## See also
+- [Duality](/wiki/duality)
+- [System](/wiki/system)
+- [Elements](/wiki/elements)
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