The term Quality management has a specific meaning within many business sectors. This specific definition, which does not aim to assure 'good quality' by the more general definition (but rather to ensure that an organisation or product is consistent), can be considered to have four main components: quality planning, quality control

Quality control

Quality control, or QC for short, is a process by which entities review the quality of all factors involved in production. This approach places an emphasis on three aspects:...

, quality assurance

Quality Assurance

Quality assurance, or QA for short, is the systematic monitoring and evaluation of the various aspects of a project, service or facility to maximize the probability that minimum standards of quality are being attained by the production process...

 and quality improvement. Quality management is focused not only on product/service quality

Service quality

Service quality involves a comparison of expectations with performance.According to Lewis and Booms service quality is a measure of how well a delivered service matches the customers expectations....

, but also the means to achieve it.