The narrator uses specific imagery to describe what Goodman Brown is going through. The dark word choice clearly shows how Goodman Brown is suffering from the loss of his wife, Faith.
The theme is loosing faith and innocence. The narrator speaks of how Goodman Brown is suffering because of the loss of his wife, Faith. Goodman Brown is yelling " Faith! Faith!" this shows that he's not as strong as he thinks he is. Goodman Brown thinks the Devil killed his wife, which turns his sadness to rage.