PG
Parental Guidance Suggested - Some material may not be suitable for children. Signifies that the film rated may contain some material parents might not like to expose to their young children - material that will clearly need to be examined or inquired about before children are allowed to attend the film. Explicit sex scenes and scenes of drug use are absent; nudity, if present, is seen only briefly, horror and violence do not exceed moderate levels.

PG-13
Parents Strongly Cautioned - Some material may be inappropriate for children under 13. Signifies that the film rated may be inappropriate for pre-teens. Parents should be especially careful about letting their younger children attend. Rough or persistent violence is absent; sexually oriented nudity is generally absent; some scenes of drug use may be seen; some use of one of the harsher sexually-derived words may be heard.

R
Restricted - Under 17 required accompanying parent or adult guardian (age varies in some jurisdictions). Signifies that the rating board has concluded that the film rated may contain some adult material. Parents are urged to learn more about the film before taking their children to see it. An R may be assigned due to, among other things, a film's use of language, theme, violence, sex or its portrayal of drug use.

NC-17
No One 17 and Under Admitted - Signifies that the rating board believes that most American parents would feel that the film is patently adult and that children age 17 and under should not be admitted to it. The film may contain explicit sex scenes, an accumulation of sexually oriented language, and/or scenes of excessive violence. The NC-17 designation does not, however, signify that the rated film is obscene or pornographic in terms of sex, language or violence.

NR
Not Rated - Usually signifies that the movie producers decided to bypass the rating system in an effort not to receive a NC-17 designation which would limit the general distribution of the movie.The film may contain explicit sex scenes, an accumulation of sexually oriented language, and/or scenes of excessive violence. The self-imposed NR designation does not, however, signify that the film is obscene or pornographic in terms of sex, language or violence.

X
Adults Only - While the film does not contain explicit sex scenes, it does have an accumulation of sexually oriented language, but, not usually scenes of excessive violence. The self-imposed X designation signifies that the movie producers believe that most American parents would feel that the film is somewhat obscene or pornographic in terms of sex and/or language.

XXX
Adults Only - The film contains explicit sex scenes, an accumulation of sexually oriented language, but, not usually scenes of excessive violence. The self-imposed XXX designation signifies that the movie producers believe that most American parents would feel that the film is patently obscene or pornographic in terms of sex and/or language.