PG 13 (adjective): parental guidance strongly suggested for children under 13. Some material might be inappropriate for these children - The movie is rated PG 13 for violence.
R (adjective): restricted, no one under 17 without a parent or guardian - We don't allow our kids to watch R-rated movies because they often contain strong language. G (adjective): general audience - This movie is entertai.....
원문 링크 : Movie Rate PG, G and R
