#technical part

• Runner — 1. A person (man) who runs, especially an athlete participating in sprints, middle-distance, long-distance, or marathon races. 2. That which moves rapidly, swift-footed. 3. Historically, a fast foot messenger or courier tasked with delivering urgent correspondence. 4. A technical device, a mobile part within a mechanism (e.g., a rotor), or a long, narrow carpet runner used to protect floors in hallways.