Final answer:
The Head Host is the position that manages the wait list and coordinates the tasks of other hosts in a restaurant.
Step-by-step explanation:
The position within the host job that controls and makes a waitlist and directs the other positions is (a) Head Host. In a restaurant setting, the Head Host is responsible for managing the flow of the dining area, which includes creating and overseeing the wait list as well as coordinating the activities of other hosts, such as the greeter and seater. This position is critical for ensuring guests are seated in an efficient and timely manner.