This International Standard is based on the idea that the diagrams and symbols defined herein are useful in representing the functionality and transitions of software, as well as in improving communication between users. The application areas of this standard include development work in software requirements analysis and design, communication of intentions, reviews, etc.
JIS X 0131:1995 history
1995JIS X 0131:1995 Information technology -- Representation for human communication of state transition of software