Your core business and production outcome is formed by your employees, the competencies, process equipment, layout, production methods etc.
If everything runs at an optimal level, you have a standard production situation and an outcome, which is the best possible you can achieve, with your present resources. However problems and challenges in the production will occur and each of those problems will create negative deviations from the optimal production level. If you manage to solve the problems your production will go back to running at an optimal level. The question that most of us ask is: “how do we improve this level”? The answer is straight forward: