+**Df3** is a foundational [element](/wiki/Element) in the architecture of complex systems. It represents a specific interaction or [transformation](/wiki/Transformation), subtly shaping the emergent qualities of a unified whole. Its presence is often implicit, yet critical to the overall [form](/wiki/Form).
+## See also
+- [System](/wiki/System)
+- [Interaction](/wiki/Interaction)
+- [Structure](/wiki/Structure)
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