The play is suitable for mature audiences:  The content in the production may not be suitable for children under the age of 14.  This rating does not necessarily mean that there is foul language or harsh content in the play it just implies that the show will grapple with subject matter that will either be harder for a child to comprehend or that the child will not be entertained by this style of show.

The play is suitable for all ages: The content in the production is suitable for all ages.