Wave

Use Wave when greeting someone with a casual, friendly gesture.

Source dimensions: 400 × 200 encoded pixels · 15 fps · 1.5 seconds
What it expresses: The simple, non-verbal acknowledgment of a social interaction through a wave.
Example: For example, waving hello to a coworker at the office entrance.
When not to use it: Avoid when the greeting requires a more formal or prolonged interaction than a quick wave.