Identity. There's no premise of brand identity, longevity or continuity. The focus of the two is on two different ends, as in marketing stresses on fulfilling the needs of the customers, whereas sales is all about reaching the company’s sales targets, i.e. 2. The definition of marketing is any activity or printed or digital advertisements that directly promote a business, product, or service to potential consumers as a means of increasing revenue through sales. it focuses on fulfilling company’s needs. Marketing targets the construction of a brand identity so that it becomes easily associated with need fulfillment. Marketing encompasses the strategies you use to reach new leads and generate interest in your business. Marketing tends to identify the needs, wants and demands of the customers, so as to satisfy them profitably. The difference between marketing and sales lies in how close you are to converting a potential customer to an actual customer. The responsibilities of each group are closely linked. Sales include “operations and activities involved in promoting and selling goods or services.”Marketing includes “the process or technique of promoting, selling, and distributing a product or service.”These statements highlight two aspects of the sales and marketing relationship: 1. Sales is the strategy of meeting needs in an opportunistic, individual method, driven by human interaction.