The vehicle radical. Originally a top-down pictograph of a cart with axle and two wheels (traditional 車). Productive in vehicle, transport, and military-engineering vocabulary: 轮 (wheel), 输 (transport/lose), 软 (soft, originally pliable wagon), 转 (turn), 较 (compare, lit. measure carriage axles), 辆 (measure word for vehicles), 辙 (rut).