The document discusses the Corrective Action and Preventive Action (CAPA) process. It defines CAPA as a structured way to investigate non-conformities, determine appropriate corrections and actions, and measure their effectiveness. It outlines the key steps in the CAPA process including defining the problem, investigating the root cause, determining corrective and preventive actions, implementing solutions, and measuring effectiveness. The document emphasizes that the goal of CAPA is to eliminate causes of issues in order to prevent recurrence and notes that a mature CAPA system can help continuously improve products, services, and compliance.