Final answer:
The phrase indeed represents a request for quiet on set, with the word 'silence' indicating the need for no noise during filming or concentrated efforts.
Step-by-step explanation:
True, the phrase "Silence! I need this on the set & the Western Front, please!" is indeed a request for quiet. The term 'silence' in a set refers to the need for quietness to either shoot a scene without external noise or to maintain concentration.
The phrase itself is straightforward and lacks the complexity found in historical or philosophical contexts, such as the ones described in the provided texts addressing World War I peace movements and a character's refusal to perform a task.