production design

  refers to a film's overall design, continuity, visual look and composition (colors, sets, costumes, scenery, props, locations, etc.) that are the responsibility of the production designer; the art department refers to the people in various roles (e.g., matte painters, set designers and decorators, illustrators, title designers, scenic artists, and storyboard artists) who work under the production designer's supervision; the art director is responsible for the film's physical settings (specifically refers to the interiors, landscapes, buildings, etc.)

  Example: Anton Furst's amazing, Oscar-winning Art Direction/Set Decoration of Gotham City in Batman (1989)