What word best describes an ordinary form of speech or written word, without metrical structure?

Which defines the rules of a literary genre?

What is a motif?

What kind of device is a red herring in literature?

What is jargon?

Our story's narrator, James, tells the reader he's been sober for three years. When his girlfriend finds a pile of empty liquor bottles under his bed, we know James is:

What is an antihero?