HELPLIB.HLB  —  COBOL  PROCEDURE_DIVISION, DISPLAY  2format_screen_extensions
  The DISPLAY statement transfers low-volume data from the program to
  the default system output device or to the object of a mnemonic-name.
  The HP extensions to the DISPLAY statement (formats 2 and 3) are
  COBOL language additions that facilitate video forms design and data
  handling.

  Format 2 -

   DISPLAY { src-item

      [{|                { line-num                      }      |}] }
      [{| AT LINE NUMBER { line-id [ PLUS [ plus-num ] ] }      |}] }
      [{|                { PLUS [ plus-num ]             }      |}] }
      [{|                  { column-num                       } |}] }
      [{| AT COLUMN NUMBER { column-id [ PLUS [ plus-num ] ]  } |}] }
      [{|                  { PLUS [ plus-num ]                } |}] }
      [{| ERASE [TO END OF] { SCREEN }                          |}] } ...
      [{|                   { LINE   }                          |}] }
      [{| WITH BELL                                             |}] }
      [{| UNDERLINED                                            |}] }
      [{| BOLD                                                  |}] }
      [{| WITH BLINKING                                         |}] }
      [{| REVERSED                                              |}] }
      [{| WITH CONVERSION                                       |}] }

      [ WITH NO ADVANCING ]
      [ END-DISPLAY ]

1  –  src-item

  is a literal or the identifier of a data item.  The literal can be
  any figurative constant except ALL literal.

2  –  output-dest

  is a mnemonic-name defined in the SPECIAL-NAMES paragraph of the
  Environment Division.

3  –  line-num

  is a numeric literal that specifies a line position on the terminal
  screen.  Line-num must be a positive integer.  It cannot be zero.

4  –  line-id

  is the identifier of a data item that provides a line position on the
  terminal screen.

5  –  column-num

  is a numeric literal that specifies a column position on the terminal
  screen.  Column-num must be a positive integer.  It cannot be zero.

6  –  column-id

  is the identifier of a data item that provides a column position on
  the terminal screen.

7  –  plus-num

  is a numeric literal that increments the current value for line or
  column position, or that increments the value of line-id or
  column-id.  Plus-num can be zero or a positive integer.
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