It's definitely a smell that you can taste, and the stink of rotting flesh and the acrid bite of putrefaction lingers up your nose and worms its way into the back of your throat.
People get the concept of death. They get what it is. And in death, they even often grasp a bit of... the rest of it. That the universe works, that there are beginnings and endings, and for everything that happens in between, there is a structure to it, stages, a certain amount of order.