+A **functor** serves as a mapping, translating between different mathematical [Category](/wiki/category) structures. It transforms [Object](/wiki/object)s and their connecting [Morphism](/wiki/morphism)s, preserving the essence of their relationships.
+## See also
+- [Category Theory](/wiki/category_theory)
+- [Natural Transformation](/wiki/natural_transformation)
+- [Monad](/wiki/monad)
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