Quality control refers to a set of procedures and processes that are used to monitor, regulate, and maintain standards in order to ensure that products or services meet specific requirements. It involves implementing various methods to check the quality of raw materials, finished goods, or even the production process itself, with the aim of identifying any defects or issues before they reach customers. Quality control is an essential part of any business that wants to maintain its reputation and ensure customer satisfaction by providing consistent, high-quality products or services.