Quality management is about making organisations perform for their stakeholders - from improving products, services, systems and processes, to making sure that the whole organisation is fit and effective.
Concepts are defined as abstract ideas or general notions that occur in the mind, in speech, or in thought. They are understood to be the fundamental building blocks of thoughts and beliefs. They play an important role in all aspects of cognition. As such, concepts are studied by several disciplines, such as linguistics, psychology, and philosophy, and these disciplines are interested in the logical and psychological structure of concepts.
Alone; with nothing else added.
Let the product speak for itself.