In physics and mathematics, a displacement vector represents the change in position of a point or a particle, usually in a geometric space. It’s a directed quantity that indicates the movement from an initial position to a final position. Mathematically, a displacement vector has both magnitude (the distance between the initial and final positions) and direction, often denoted by an arrow connecting the initial and final points. Displacement vectors are fundamental in describing motion, determining distances, and calculating velocities and accelerations. They’re integral in mechanics, kinematics, and various fields of engineering and physics for analyzing the movement of objects or particles in space or in a given coordinate system.