For questions relating to or about teenagers. Where the questioner is a teenager or involves interaction with a teenager or teenagers. A teenager is generally defined as between 13-19 years old, but this can vary.
Questions about interacting with teenagers (typically 13-19 years old), or questions posed by teenagers where their age is particularly relevant.
Tag should NOT be used where the age is merely incidental (e.g. where the age has no bearing on the specific issue being asked).