Excuse me, why do you call the boss in the crew? What does the boss mean? By the way, what are the big names? Thank you.

The crew consists of various departments, such as the director group (including the director, executive deputy director, actors and deputy directors, etc. ), photography group (including photography director, photographer, camera assistant), lighting group (lighting assistant of lighting engineer), recording group, production group (including on-site production), grooming group, costume group, outreach group, props group, scenery group, art group, motorcade, etc. Depending on the scale of the crew and the plot of the play, there may be a martial arts artillery group, a mechanical group (responsible for the big lifting rocker telescopic guns and so on), some groups also have group editing and some positions including stills, tidbits and doctors, and the department bosses who are responsible for various departments. ...