When communicating, why is it important for the message to be concrete?

In his adaptation of this excerpt, laurence olivier uses high cliffs as a a background and he holds onto a knife. what's effect do these choices have?

What is the significance of the novel's title? what is the "sweet hereafter"? a). a place you go after a tragedy takes your life b). a beautiful place the dead go, like heaven c). into the sunset, an ending that is not defined d). a dark sad place the dead go before rebirth

Me determine which are quote or paraphrase.