Once we discovered spray paint, graffiti took on a whole new concept. But before I go on, let's take a step back. Art can also be a literary or musical piece such as film, theater, or poetry. In other words, it doesn't have to be good, beautiful, or worth value. Hey, look world.
Companies have logos.
Nations have flags. It's a fundamental essential all humans require. So it started. A tag here. A piece there.