Value Stream Mapping (VSM) is a -very- useful tool to gain insight in the workflow of a process and can be used to identify both Value Adding Activities and
Going from a Value Stream Map to Value Stream Optimisation
Read this blog if you already have a Value Stream Map (VSM) and you are wondering how to reap its benefits using a structured process: https://xebia.com/blog/going-from-a-value-stream-map-to-value-stream-optimisation/