The director of a live broadcast controls what the audience at home is watching. They direct presenters on the tone of the production and talk to camera operators during broadcast through comms to ensure that the shots are as they want them.
Directors will cue their camera operators and let them know when they are live, to ensure the camera operator keeps the shot steady.
The director of a live broadcast will often stay in the ‘gallery’ with the gallery wall of camera shots and graphics. They will coordinate with the floor manager