A diagram showing the set of specific actions required to bring a specific product through the three critical management tasks of any business; problem solving, information management, and physical transformation. Taking a value stream perspective means working on the big picture, not just the individual operations, and improving the whole, not just optimizing the parts.
Value Stream Maps can show either current state or future state.
Starbursts are usually used to depict sources of waste, such as obstacles to single piece flow.