Final answer:
The art department in an ad agency's creative services is tasked with creating visuals for ads, including layouts and storyboards. This department plays a key role in shaping the advertisement's visual appeal and effectiveness. The correct option is E.
Step-by-step explanation:
In the creative services department of an ad agency, the art department is responsible for creating the visual portion of an ad, such as layouts and commercial storyboards. The art department includes professionals such as graphic designers, art directors, and visualizers who collaborate to bring a campaign's message to life visually. They have a crucial role in determining how the advertisement looks and feels, which greatly influences the audience's reaction to the product or service being advertised.