+**Smoothness** describes a quality of continuous flow, free from abrupt changes or rough textures. It is a fundamental concept in [Calculus](/wiki/Calculus), defining functions without sharp corners, and in [Perception](/wiki/Perception), relating to how we sense surfaces.
+## See also
+- [Continuity](/wiki/Continuity)
+- [Texture](/wiki/Texture)
+- [Surface](/wiki/Surface)