What gesture line look like?

A gesture line is a fluid and expressive line that captures the essential movement and posture of a subject. It is often characterized by its spontaneity and dynamic quality, emphasizing the overall form rather than specific details. Typically, gesture lines are used in sketching to convey energy and rhythm, allowing artists to quickly represent the essence of a pose or action. They serve as a foundation for more detailed artwork, focusing on the liveliness and emotional content of the subject.