what is " (SAPLIQS0)IVIQMMA" and '(SAPLIQS0)editor' stands for ?

hi ,

what is " (SAPLIQS0)IVIQMMA" and '(SAPLIQS0)editor' stands for ?

and, these values derrived from where ?

and, what the below codes trying to do ?

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DATA :  lv_lwa_viqmma TYPE c LENGTH 20  VALUE '(SAPLIQS0)IVIQMMA'.

   FIELD-SYMBOLS : <fs_viqmma>      TYPE any.

   ASSIGN  : (lv_lwa_viqmma)  TO <fs_viqmma>.

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DATA: lv_editor TYPE c LENGTH 20 VALUE '(SAPLIQS0)editor'.

     FIELD-SYMBOLS : <fs_editor> TYPE REF TO cl_gui_textedit.

     ASSIGN (lv_editor) TO <fs_editor>.

     IF <fs_editor> IS ASSIGNED AND

        <fs_editor> IS NOT INITIAL.

       CALL METHOD <fs_editor>->set_readonly_mode

         EXPORTING

           readonly_mode          = 0

         EXCEPTIONS

           error_cntl_call_method = 1

           invalid_parameter      = 2

           OTHERS                 = 3.

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     ENDIF.

Thanks