Here's why:
* Vibration: A general term for any periodic motion, meaning it repeats over time.
* Oscillation: A specific type of vibration that involves a back-and-forth motion around a central point.
Therefore, while all oscillations are vibrations, not all vibrations are oscillations.
Here are some examples of oscillations:
* A pendulum swinging
* A guitar string vibrating
* The movement of a spring
* The vibration of a tuning fork