Step 1: Understanding the question.
The question asks which one of the options is not a retail outlet. A retail outlet typically refers to a business that sells goods directly to consumers.
Step 2: Analyzing the options.
(A) Nordstrom: Incorrect, Nordstrom is a well-known retail outlet chain.
(B) Lululemon: Incorrect, Lululemon is a retail outlet that sells athletic wear.
(C) American Girl: Correct, American Girl is primarily a brand associated with dolls, but it operates more as a brand than a typical retail outlet.
(D) Starbucks: Incorrect, Starbucks is a well-known retail outlet for coffee and beverages.
(E) None: Incorrect, as American Girl is indeed the correct answer.
Step 3: Conclusion.
The correct answer is (C) American Girl, as it does not fit the typical category of a retail outlet compared to the others.