When you open and unlock an application, you have control of it. Until you re-lock it, or close it, campus users will not be able to unlock it for editing.
To re-lock and/or close an application
You have three options:
Any time you lock or close an application, the system saves its data.
Tip: Don’t use your browser controls to close your application window. This won’t release your control of the application. To ensure that others can access an application when they need to, always use SPAERC controls to close and lock the application.