A fishbone diagram is an uncomplicated tool that lets the understanding of quick and efficient root causes so that corrective actions can be taken. This diagram is frequently mentioned as a cause & effect diagram, / Ishikawa. This is an uncomplicated root cause analysis device that is made use of for the brainstorming of the issues and reasons of specific dilemmas. It can be and is frequently used in tandem with the tool known as the 5 Whys. In this diagram, the diverse causes are set into classes with the causes cascading from the central classes, flowing in the direction of the effect.