It is very common to use a flowchart or a VSM (Value Stream Map) for visualizing a business process, an operation process, or a manufacturing process. Not only both flowchart and VSM are very good visualization tool, but the flowchart can easily explain a loop, a branch and a merge in the process, and the VSM can easily explain the cycle-time and the waiting-time in the process. Both flowchart and VSM can be used for the process improvement.
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