Answer: The correct answer is "a. Differentiation."
Explanation: Differentiation: it means making the product or service stand out from the rest of its competitors through its own qualities and making it relevant to the target.
Positioning: refers to the place or site that a certain brand occupies in the mind of the target, contemplating elements such as name, logo, typography, corporate colors, type of services or product. The positioning makes the consumer feel that a brand represents something for him and is necessary for his life.