A villain, or at the very least an antagonist, is integral to most narratives. In Othello, Iago drives the struggle toward catharsis.
In "Jane Eyre" and "Middlemarch," secrets are kept from the female protagonists in order to diminish them into the Victorian ideal of femininity.
“In Memory of W.B. Yeats,” W.H. Auden constructs a multifaceted modern elegy, switching between different poetic forms to examine his subject from different angles.