Mathematics for IGCSE & O level - Transformations (Section 2 - No. 11)
What is the difference between a rotation and a reflection?
A reflection changes the orientation, a rotation does not.
A rotation changes the size, a reflection does not.
A reflection reverses the orientation, a rotation does not.
A reflection always involves the origin, a rotation does not.
Shpjegimi
Reflections reverse orientation (like a mirror image), while rotations preserve it.