On his fishing trip, he caught three salmon and a cold. Other Devices Irony uses contradictory statements or situations to reveal a reality different from what appears to be true. For instance, it is ironic for a minister to have a dysfunctional family or for a fire station to burn down. A verbal irony is when someone says one thing but means another. Euphemism is the substitution of something that might be offensive or hurtful with something more innocuous.
Repetition is the purposeful re-use of a word, phrase, image or sound, and is fundamental to poetry.
In high school, you may have had your English teacher circle repeated words and say that is was bad or ineffective. Unintentional repetition can be, but do not think any repetition is a sin. It can be salvation. Symbol is an image that represents or stands for something else. Flags, for instance, represent countries.