(1) A system that integrates quality development, maintenance and improvement of the parts of an organization. It helps a company economically manufacture its product and deliver its services. OR an effective system for integrating the quality development, quality maintenance, and quality improvement efforts of the various groups in an organization so as to enable the groups at the most economical levels which allow full-customer satisfaction.
(2) From its Japanese roots, the application of quality improvement throughout all the functions and processes of a company.
Total quality control, also called total quality management, is an approach that extends beyond ordinary statistical quality control techniques and quality improvement methods. It implies a complete overview and re-evaluation of the specification of a product, rather than just considering a more limited set of changeable features within an existing product. If the original specification does not reflect the correct quality requirements, quality cannot be inspected or manufactured into the product.