Which position in the ATC terminal option is responsible for issuing control instructions to aircraft and vehicles on movement areas and taxiways?

The position responsible for issuing control instructions to aircraft and vehicles on movement areas and taxiways is Ground Control. Ground Control plays a critical role in managing the flow of air traffic on the ground, which includes directing aircraft during taxi operations, coordinating the movement of airport vehicles, and ensuring that aircraft safely navigate the airport's runways and taxiways.

Ground Control ensures that aircraft are cleared for movement in a timely manner while maintaining safety and efficiency. This involves giving instructions regarding holding short of runways, taxiing to and from gates, and facilitating the coordination between various ground operations. By doing so, Ground Control helps prevent collisions and assists in the smooth operation of airport traffic during periods of high activity.

The other positions mentioned, such as Clearance Delivery, Approach Control, and Departure Control, have distinct roles focused on different phases of flight, mainly involving aircraft in the air or managing departure and approach procedures, rather than the movement of aircraft on the ground.