Final answer:
Goldberg chooses to focus on workplace communication in her advice. This helps readers understand the importance of effective communication in the professional setting and its impact on their career success.
Step-by-step explanation:
The specific area of description that Goldberg chooses to use her advice to be specific is a) She focuses on workplace communication. She limits her examples to workplace communication because her purpose is to provide practical guidance on how to succeed in the workplace. By emphasizing workplace communication, she helps readers understand the importance of effective communication in the professional setting and how it can impact their success in their careers.