The Main Window menu bar contains the following menus:

      o  File-to create, open, close, or delete SCA
         libraries, or to exit from SCA

      o  View-to further examine the contents of libraries

      o  Query-to perform various types of queries

      o  Maintenance-to load or recover SCA libraries

      o  Commands-to bring up a window from which to enter
         commands directly to the SCA command line