utopia
An illusionary place that projects the notion of a perfect society. The citizens presiding in such utopias are bearers of a perfect moral code, or at least every violator of the code is harshly punished.
sonnet
A small or little song or lyric. In poetry, a sonnet has 14 lines and is written in iambic pentameter. Each line has 10 syllables. It has a specific rhyme scheme.
situational irony
It occurs when incongruity appears between expectations for something to happen, and what actually happens instead. The final outcome is different from what the audience is expecting.