A symbol with diagonal lines dividing a red circle is often used to mean 'prohibited' or 'NG.' In addition to being seen on road signs in Japan, the United States Patent and Trademark Office ...

In Volvo's context, though, the symbol was chosen because it represents iron, which, in steel, is what Volvo makes cars out of. But what about that diagonal slash? I'm getting to that. Volvo's ÖV ...