If person A sends a voice message to person B, B forwards the message to person C. If A deletes the message, do they all disappear?

If person A sends a WhatsApp voice message to person B and B forwards this message to person C. If person A now deletes this message, does the message disappear completely, or does the message forwarded to C remain on WhatsApp?

What happens if I order something but return it after 14 days? Will I not get my money back AND the package back?

I read that if you return a package after 14 days, the company might just keep the package and I won't see the money again. Is that true? That would be terrible, then I would have just given away 300€? Or do they simply send the package back to me because they say the return…