A PlayStation Network Identification, often abbreviated PSN ID, is the name representing yourself that you create while signing up for the PlayStation Network online service. It's similar to your computer's name that you see when you click on the Start button (if you have Windows) or an Xbox Live Gamertag.
You are considered minor until the age of 18. A teenager at the age of 13. If you are convicted of some wrong-doing, the courts can consider you as an adult as young as 15. theres a couple different approaches on this one. 18, and under 21.
Images of child pornography are not protected under First Amendment rights, and are illegal contraband under federal law. Section 2256 of Title 18, United States Code, defines child pornography as any visual depiction of sexually explicit conduct involving a minor (someone under 18 years of age).