G – General Audiences
All ages admitted. Nothing that would offend parents for viewing by children.
PG – Parental Guidance Suggested
Some material may not be suitable for children. Parents urged to give "parental guidance". May contain some material parents might not like for their young children.
PG-13 – Parents Strongly Cautioned
Some material may be inappropriate for children under 13. Parents are urged to be cautious. Some material may be inappropriate for pre-teenagers.
R – Restricted
Under 17 requires accompanying parent or adult guardian. Contains some adult material. Parents are urged to learn more about the film before taking their young children with them.
NC-17 – Adults Only
No One 17 and Under Admitted. Clearly adult. Children are not admitted.