Which of the following BEST describes a marketing plan?

A$.$ A major marketing decision for most organizations

B$.$ The segment$($s$)$ on which an organization focuses its marketing plan and toward which it directs its marketing efforts

C$.$ A distinct group of customers within a larger market who are similar to one another in some way and whose needs differ from other customers in the larger market

D$.$ The combination of all possible customers in a market regardless of the differences in their specific needs and wants

E$.$ A document that describes the marketing environment, outlines the marketing objectives and strategy, and identifies who will be responsible for carrying out each part of the marketing strategy