-CR (Change Request) when the system changes or request to increase demand from users for users to easily use the system. It needs to do to confirm users understand match.
- The CR (Change Request) when a change or an increase in demand from users. To make the system easy to use. It must be done to confirm the use of the understanding.
- do CR (Change Request) when the system changes or the increasing demand from the users. To make the user easy to use, it must be done to confirm users understanding exactly.