Answer:
professionally managed and centrally coordinated marketing channels.
Explanation:
Marketing can be defined as the process of developing promotional techniques and sales strategies by a firm, so as to enhance the availability of goods and services to meet the needs of the end users or consumers through advertising and market research. Thus, it comprises of all the activities such as, identifying, anticipating set of medium and processes for creating, promoting, delivering, and exchanging goods and services that has value for customers. It typically, involves understanding customer needs, building and maintaining healthy relationships with them in order to scale up your business.
Vertical marketing systems used as a promotional and sales technique of goods and services by various business firms are best described as professionally managed and centrally coordinated marketing channels.
