 >>-ENTRY-+-----------------------------+------------------------>
'-(parameter-descriptor-list)-'
>--+------------------------------+--+----------+--------------->
'-OPTIONS(characteristic-list)-' '-VARIABLE-'
>--+---------+--+--------------------+-------------------------->
'-LIMITED-' '-RETURNS--attribute-'
>--+---------------------------------+-------------------------><
'-EXTERNAL-+--------------------+-'
'-(environment-name)-'
|