Some of them are tasked with helping us find our way around. Others are charged with telling us what to do or not to do to keep us safe. And some of them are in the business of trying to persuade us to buy something. We're talking about signs.
A mask is a barrier between ourselves and the world. It conceals our identity and can free us in some way from our societal restrictions. Think about how liberated people sometimes feel on Halloween.
False accusations cover a wide spectrum. Maybe someone has mistaken you for a celebrity, or maybe someone spread a rumor about you. But some false accusations have long and lasting consequences.