Every now and then, it can feel like we're seriously out of the loop.
Whether we're trying to navigate the confusing web of signs that tell you where you can and can't park in LA or finding out that we're supposed to derive some meaning some purple paint markings, we can be totally unaware of something that "everybody knows."
It gets even worse when some of the warnings we here come from the more alarmist people in our lives. When they're done, we're no closer to finding an explanation, but now we're afraid for our lives.
Fortunately, the answer to this esoteric little warning sign is simpler than it may seem.