Stop! - As almost everyone know it's a stop sign for other people who don't know what it is. Well it's a sign that we use in America I'm not sure if they use it in other places but yeah. to tell people when to stop. If they don't stop the law will be enforce and actions will be taken. well yeah it's a very common sign and well known In American not sure about other countries. If they have them in other Countries Awesome.. haha.. But yeah.. What do you think..?