What is the space between the subject and the edge of the frame it is moving toward called?

The space between the subject and the edge of the frame it is moving toward is referred to as Lead Room. This concept is vital in cinematography and photography because it helps create a sense of motion and directionality in a scene. When a subject moves, providing lead room gives the viewer a visual cue about which direction the subject is heading. This not only enhances the composition of the shot but also makes the scene more dynamic and engaging.

Lead Room is particularly crucial when framing moving subjects, such as a person walking or an object moving across the screen. By leaving space in front of the subject, you allow for a natural flow and contribute to the overall storytelling by visually suggesting movement and intention. This technique also helps maintain a balanced composition, preventing the frame from feeling cramped or unbalanced.