Answer: (E) Product attributes
Explanation:
The product attribute is one of the type of features that helps in categorized the various types of products based on the size, characteristics, functionality and color.
The product attribute plays an important role in the market as it helps in creating the variety of products based on the different types of positioning market strategies in the market such as customer actual needs.
According to the given question, the product attribute is the term that is used to for explaining the positioning market strategy of the various types of services of the FPS (Flash Parcel Service).
Therefore, Option (E) is correct answer.