People wont stop deleting my stuff

Hey, can you guys keep awnsering my questions

1. a poem that tells a story irony 2. taking on human characteristics narrative 3. a direct comparison between two things personification 4. words that are opposite the thoughts in a speaker's mind simile 5. implied comparison introduced with "as" and "like idiom 6. one's own manner of speaking metaphor

Suppose you need to verify how to correctly use commas. you open your english textbook and scan the chapter titles. in which one would you most likely find the information you need? ; ; ; ; that's the ? im having truble with