antithesis
The presentation of 2 contrasting images. The ideas are balanced by word, phrase, clause, or paragraphs. “To be or not to be…”
rhetoric
Effective or persuasive speaking or writing, especially figures of speech or other compositional techniques.
colloquialism
A word or phrase (including slang) used in everyday conversation and informal writing, but is inappropriate in formal writing.
connotation
Words suggesting implied meaning because of its association in the reader’s mind. Opposite of denotation.