We are a world of signs. They tell us what direction to go whether we're walking or driving. They provide instructions on operational procedures. And, they even tell us to have a nice day. The most important thing a sign does is keep you safe. Be it traffic direction signs like One-Way or Detour, these We are a world of signs. They tell us what direction to go whether we're walking or driving. They provide instructions on operational procedures. And, they even tell us to have a nice day. The most important thing a sign does is keep you safe. Be it traffic direction signs like One-Way or Detour, these