The daddy cycle or Deming cycle stands for "Planning-doing-checking-action". This cycle in English with the name of the PDCA be known that the abbreviation of words (plan–do–check–act or plan–do–check–adjust) is, this cycle reflects a process of Management which is in four steps, and again, a new cycle begins. These steps, respectively, include planning (designing) doing reviewing and acting. This method is used to control and continually improve products and processes.