The document presents concepts related to quality including quality, quality control, quality assurance, quality management, and total quality management. It defines quality as the totality of features and characteristics that allow a product to meet stated or implied needs. Quality control is the process of reviewing all production factors to fulfill quality requirements, with an emphasis on controls, processes, competence, and soft elements. Quality assurance aims to prevent defects and problems when delivering solutions, focusing on providing confidence that requirements will be met. Quality management is a systematic set of documented and maintained operating procedures ensuring consistent business growth through quality planning, assurance, control, and improvement. Total quality management is defined as a process aimed at increasing stakeholder satisfaction through individual and organizational development.