+An **affine transformation** is a fundamental [geometric transformation](/wiki/geometric_transformation) that preserves points, straight lines, and planes. It combines a [linear map](/wiki/linear_map) with a translation, ensuring parallel lines remain parallel while maintaining ratios of distances.
+## See also
+- [Linear Map](/wiki/linear_map)
+- [Translation](/wiki/translation)
+- [Rotation](/wiki/rotation)
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