It means the same as the Jewish Tanakh and the Protestant Old Testament , but does not include the deuterocanonical portions of the Roman Catholic Old Testament and is meant for the text only , not for naming , numbering or ordering of books ( what both Tanakh and Old Testament do ) . The content , which closely corresponds to the Protestant Old Testament , does not include the deuterocanonical portions of the Roman Catholic or the ' portions of the Eastern Orthodox Old Testaments . The term does not imply naming , numbering or ordering of books , which varies with Biblical canon .