Answer 1: The purpose of a quality control is to provide structure and order to the processes through which a company ensures that its products and procedures meet the appropriate internal and external requirements, such as through customer expectations or federal laws. It includes a list of actions in the quality assurance process along with details about the responsibilities of the employees carrying them out. （Author: Vikram Shinde, From: Quora）
Answer 2: The purpose of quality management is to provide the market with the product requested by customers and other related party, so that customers are more satisfied.
Quality management is coordinated activities of the command and control of the organization on quality. Quality management involves all aspects of the organization, focusing on the whole process of the formation of product quality. Through developing quality policy and achieving quality objectives, we will provide the market with product meeting customer and other related party requirements. Therefore, at first, the quality is a problem to meet customer needs and requirements. This means that the focus of quality management must be on customer service and their satisfaction. （Author: Nola Cheung, From: Quora）
Answer 3: It is an assurance of quality and a guideline for excellence in a production line or in work ethics.（Author: Daniel Reichert Sr, From: Quora）