Set decorating, props, and set construction fall under which department?

The correct choice is related to the Art department, which is responsible for the visual elements of a film's setting. Set decorating involves arranging and embellishing the physical space where the action occurs, utilizing various items and furnishings to create a specific mood or reflect a character's lifestyle. Props, which are objects used by actors during scenes, play a crucial role in storytelling and help to establish context and authenticity. Additionally, set construction falls under this department as it involves creating the physical structures and environments that define the film’s world. The Art department is integral to ensuring that the aesthetics align with the narrative and vision of the film, thus making it the clear choice in this context.