incongruity between what is expected and what occurs
In both his novel and his essay, Swift uses the satirical weapon of irony, a surprising contradiction between reality and appearance or between the actual and intended meaning of words.
a figure of speech expressing a resemblance between things
Pope applies these conventions of classical epics to his trivial subject, the theft of a lady's lock of hair:
• epic similes, or intricate comparisons in the style of Homer that sometimes use the words like, as, or so
the juxtaposition of contrasting words or ideas for balance
Also note how, in both poems, he uses antithesis, a rhetorical device in which contrasting words, clauses, sentences, or ideas are placed side by side in parallel grammatical structures: Whether he thinks too little, or too much. (Essay, line 12)