The product control value streaming mapping has seven major steps: documentation the current process, identifying and listing every step in the process, identifying customer value, defining what the perfect process looks like identifying those parts of the current process that get in the way of perfection and identify major initiative to reduce or eliminate waste. From the product control value streaming diagram below, we see that the purpose of a value stream map is to view the entirety of a process flow from start to finish and create a plan to optimize efforts in getting the company to its desired outcomes. By illustrating the current state, a value stream map allows you to know current gaps.