The close window command closes the current active window or tab.
All data objects enclosed, will be closed. If any data object has been
modified, the user is prompted to save data before
closing the tab.
Closing a window is performed as follows:
To close a window using the menu command, please follow the instructions
Activate the tab or window you would like to close.
From the Window
menu, select the Close command.
To close a window using the keyboard shortcut, please follow the instructions
Press the key combination listed in the keyboard