(N/A) $1$. Definition: Oscillation is a general term for any periodic motion of a body about a mean position. Vibration is a specific type of oscillation that occurs at a relatively high frequency.
$2$. Frequency: Oscillations can occur at any frequency,including very low frequencies (e.g.,a pendulum swinging). Vibrations typically involve high-frequency oscillations (e.g.,the strings of a guitar or the diaphragm of a speaker).
$3$. Context: The term 'oscillation' is often used in the context of mechanics and large-scale systems (like a swing or a pendulum). The term 'vibration' is commonly used in the context of acoustics,structural engineering,and molecular dynamics.
$4$. Examples: $A$ simple pendulum swinging is an oscillation. The rapid movement of a tuning fork or a vibrating string is a vibration.