A "regular customer" is someone who frequently visits a particular business, such as a restaurant, store, or café. They often develop a familiarity with the staff and the products or services offered. This consistent patronage can lead to a sense of loyalty and trust between the customer and the business. Regular customers may receive special treatment, such as discounts or personalized service, as businesses often value their repeat business. Their feedback can also be important for improving products and services, making them a vital part of a business's success and growth.