Primary customers refer to the individuals or organizations that are the main focus of a business’s marketing and sales efforts. These customers are the primary source of revenue for a company and are typically the target audience for their products or services. They are the key players in driving the success of a business and their needs and preferences are given top priority. Primary customers are also known as core customers or key clients, and building strong relationships with them is crucial for the long-term growth and sustainability of a business.