1. Basic physical terms related to sound
Acoustics: Study of sound
Sound: Mechanical wave created by a vibrating object.
Vibration: The movement of an object from one point in space to another and back to the initial state.

2. Factors related to vibration
Inertia
“The tendency of a body to maintain a state of rest or uniform motion unless acted upon by an external force.”
Elasticity
“The ability of a body to return to a starting state after it has been deformed or moved by a force”.
Damping
“Resistance to motion”