Marketing is defined as achievement of organizational goals such as sales and profits, via fulfilling the needs of a target audience better than competitors. Marketing differentiates from sales in that the latter is when a company focuses on selling what it makes as opposed to making what the market wants and building relationships.
Work Step by Step
This answer was derived from the concept and definition of marketing as opposed to the concept of selling. The two concepts are fundamentally different in that marketing involves fulfilling needs of the market and selling focuses on a large scale undertaking of promotion and sales.