What Are the Four Critical Concepts That Are Essential to Understanding

What are the four critical concepts that are essential to understanding and becoming fluent in the language of marketing (select four that apply) ?

A) Segmentation and targeting clarify how customers will be served.
B) Segmentation breaks down the mass market into submarkets.
C) Targeting takes into account the whole market that can be considered in terms of smaller market segments.
D) Differentiation calls for the creation of superior value.
E) Positioning the product is completed in a manner where customers perceive it to be distinctive and desirable.