BSP, or Binary Space Partitioning, is a method used in computer graphics and computational geometry to organize objects within a space. It divides a space into convex sets using hyperplanes, which helps in efficiently rendering scenes by determining visibility and managing complex geometries. This technique is particularly useful in 3D graphics, where it can optimize rendering performance. In addition to graphics, BSP is also applied in robotics and game development for spatial reasoning and collision detection. By breaking down a space into manageable sections, BSP allows for faster calculations and improved performance in simulations and interactive environments.