Final answer:
The book by Seth Godin with a unique approach to competitive advantage is titled D)'The Purple Cow: Transform Your Business by Being Remarkable' and it suggests businesses need to stand out in a crowded market to avoid intense competition.
Step-by-step explanation:
The book by Seth Godin that discusses a unique approach to visualizing competitive advantage uses the title analogy D) "The Purple Cow: Transform Your Business by Being Remarkable".
This book proposes the idea that in order to succeed in a competitive market, a business must stand out much like a purple cow would among a field of regular cows.
The concept challenges businesses to be exceptional and to create a product or service that is so distinctive that it becomes a market of its own, therefore avoiding the intense competition seen in a more 'red ocean' scenario.