A marketing channel refers to a set of interrelated organizations that collaborate to bring goods and services to the ultimate consumers. It involves a network of intermediaries, such as wholesalers, retailers, and distributors, who work together to ensure that products reach the end-users efficiently. These organizations play a crucial role in the distribution process, facilitating the flow of goods from producers to consumers. By working collaboratively, they help in promoting products, managing inventory, and fulfilling customer demands effectively.