Oracle SQL Plan operation: REMOTE

explain plan for 
select
   rem.col_a,
   rem.col_b,
   rem.col_c,
   rem.col_d
from
   tab_local                loc                            join
   tab_remote@db.abc.xyz    pen on loc.id_x = rem.id_y
where
   loc.col_1 = 'abc'
;

select * from table(dbms_xplan.display(format=>'basic remote'));
--
-- ------------------------------------------------------------------------------------------------------
-- | Id  | Operation                                   | Name                           | Inst   |IN-OUT|
-- ------------------------------------------------------------------------------------------------------
-- |   0 | SELECT STATEMENT                            |                                |        |      |
-- |   1 |  HASH JOIN                                  |                                |        |      |
-- |   2 |   PARTITION RANGE ALL                       |                                |        |      |
-- |   3 |    TABLE ACCESS BY LOCAL INDEX ROWID BATCHED| TAB_LOCAL                      |        |      |
-- |   4 |     BITMAP CONVERSION TO ROWIDS             |                                |        |      |
-- |   5 |      BITMAP INDEX SINGLE VALUE              | TAB_LOCAL_IX_COL_1             |        |      |
-- |   6 |   REMOTE                                    | TAB_REMOTE                     |     DB | R->S |
-- ------------------------------------------------------------------------------------------------------
--
-- Remote SQL Information (identified by operation id):
-- ----------------------------------------------------
--
--    6 - SELECT "COL_A","COL_B","COL_C","COL_D" FROM "TAB_REMOTE " "REM" 
--        (accessing 'DB.ABC.XYZ' )