+Group velocity describes the speed at which the overall shape of a [Wave Packet](/wiki/wave_packet) travels through a medium. It embodies the flow of energy and information, often distinct from the [Phase Velocity](/wiki/phase_velocity) in a dispersive environment.
+## See also
+- [Dispersion](/wiki/dispersion)
+- [Wave](/wiki/wave)
+- [Light](/wiki/light)
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