Description: A particle in the context of computer graphics refers to a small unit of a particle system that represents visual effects. These particles are graphical elements used to simulate natural phenomena such as fire, smoke, rain, explosions, and other dynamic visual effects. Each particle can have individual properties, such as size, color, speed, and duration, allowing for a wide variety of complex and realistic visual effects. In graphics programming, the particle system is highly customizable, enabling developers to adjust parameters like emission, gravity, speed, and rotation of the particles. This provides detailed control over how particles behave and appear in various environments. Particles are grouped into particle systems, which can be manipulated and animated to create visually striking scenes. The ability to create attractive and immersive visual effects is crucial in game development and interactive applications, and the use of particles is a fundamental technique to achieve this.