Also known as backcasting: Backcasting is a planning method that starts with defining a desirable future and then works backwards to identify policies and prog

Also known as backcasting: Backcasting is a planning method that starts with defining a desirable future and then works backwards to identify policies and programs that will connect that specified future to the present. https://en.wikipedia.org/wiki/Backcasting https://en.wikipedia.org/wiki/Backcasting I've found it a useful technique when trying to clarify vague or incomplete requirements.