Step 1: Understanding the terms
- A couturier is a French term used to describe a designer who creates custom clothing, especially high-end fashion. This term is often associated with women's fashion.
- Couture refers to the art of high-fashion clothing design, while Designer is a general term for someone who designs clothes. Woman couture is not a common term used to describe a designer.
Step 2: Conclusion
Thus, the correct answer is (B) Couturier, which specifically refers to a woman who designs clothing, especially in high fashion.
\[
\boxed{\text{Correct Answer: (B) Couturier}}
\]