The default qualifier for the DEFINE command is the one last
    established with the SET DEFINE command. If you did not enter a
    SET DEFINE command, the default qualifier is /ADDRESS.

    To identify a symbol defined with the DEFINE command, use the
    SHOW SYMBOL/DEFINED command.

    Related commands:

       DEFINE
       DEFINE/PROCESS_SET
       DELETE
       SET DEFINE
       SHOW SYMBOL/DEFINED