<array reference identifier>
An identifier that is associated with an array reference in an ARRAY REFERENCE declaration. A formal array parameter to a procedure is also treated as an array reference identifier when referenced within the scope of the procedure.
<direct array reference identifier>
An identifier that is associated with an array reference that is declared as DIRECT in an ARRAY REFERENCE declaration. A formal direct array parameter to a procedure is also treated as a direct array reference identifier when referenced within the scope of the procedure.

