+A **surface** is the outermost layer or boundary of an object, acting as the [interface](/wiki/interface) between it and its environment. It defines the visible extent and form, often possessing specific [properties](/wiki/properties) like texture or reflectivity.
+## See also
+- [Boundary](/wiki/boundary)
+- [Plane](/wiki/plane)
+- [Curvature](/wiki/curvature)
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