An organized enterprise does not exist in a vacuum. Rather, it is dependent on its external environment. It is a humble part of many systems, such as its own industry, the economy, and society as a whole. Thus, the enterprise receives various inputs, changes them somehow, and releases the outputs to the environment.
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Thirdly, there is product concept, which seeks to achieve the same result via product excellence improved products, new products and ideally designed and engineered products. It also places the emphasis on quality assurance.