Final answer:
If the designer succeeds, the reader will notice the important details and focus on them, while not being distracted by any unnecessary elements.
Step-by-step explanation:
The student is asking about the impact of a designer's success on the reader's perception. In this case, if the designer succeeds, the reader will notice the important details and focus on them, while not being distracted by any unnecessary elements. For example, in a theatrical production, the set design and costumes should enhance the story and characters without overwhelming the audience. By doing so, the designer can successfully guide the audience's attention and create an immersive experience.