+Harmonic motion describes a rhythmic, back-and-forth [Oscillation](/wiki/oscillation) around a central equilibrium. It is the simple, elegant dance of systems driven by a [Restoring Force](/wiki/restoring_force), ever seeking balance.
+## See also
+- [Wave](/wiki/wave)
+- [Resonance](/wiki/resonance)
+- [Simple Pendulum](/wiki/simple_pendulum)
... 1 more lines