Value-stream mapping i.e. the value stream a company creates when creating its product

The acronym VSM has also started to appear in software engineering for some time now, but it has an old pedigree of more than 30 years. Value-stream Mapping (VSM), known for 30 years, more recently also as material- and information-flow mapping. It is a method with its origins in Lean Management, used to analyse the current state and design the future state for the series of events that lead a product or service from order to delivery to the customer.

Source: Value-stream mapping czyli strumień wartości jaki wytwarza firma tworząc swój produkt – Jarosław Żeliński IT-Consulting