Library /sys$common/syshlp/acledt.hlb WRITE_ACCESS  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The right to write to or change the contents of a file, but
    not delete it. Write access allows modification of the file
    characteristics that describe the contents of the file. With
    directory files, the right to make or delete an entry in the
    catalog of files.