Write a paragraph summarizing the following passage.

In physics, a wave is a disturbance that transfers energy from one location to another. Waves are often characterized by amplitude, frequency, and wavelength. Wave motion is an example of periodic motion, in which a point on a wave moves in a circle or in a straight line.
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Waves are a fundamental part of physics, characterized by amplitude, frequency, and wavelength. They allow energy to be transferred from one place to another, and can be either periodic or aperiodic depending on the motion of the point on the wave. Periodic motion typically involves a point on a wave moving in circles or straight lines.
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