Signs are an important part of our societal structure. They provide incredibly important direction to passersby, whether or not the information provider is actually present. In a way, they're incredibly similar to an NPC in a video game whose sole purpose is to provide you with one line of dialogue that may or may not help you on your quest. Sometimes their instruction could point you to a cave filled with treasure, or provide you a clue as to where you should go next on your quest, but sometim…