–G: General audience (no restrictions).
–PG: Parental guidance suggested.
–PG-13: Parents strongly cautioned.
–R: Restricted. Children under 17
should be accompanied by an adult.
–NC-17: No children under age 17.
–X: Adults only.
–NR: Not rated.
NTo block certain content, select an
entry field to lock (That is, you “click
it”.). For example, click the X lock