Topic. It's discussing what the issue is and allowing for examples and explanations to be followed up with it.
Maybe keeping the box away from everyone so it doesn’t get in he wrong hands
A) to describe the bookcases
If this poem begins with <em>Some say life's a monopoly game, </em>then the answer is - the metaphor for life in this poem is a monopoly game.
A metaphor is basically a comparison, without using words such as <em>like </em>or <em>as.
</em><em /><em /><em />So, instead of saying - life is like a monopoly game, you can just say - life is a monopoly game, which makes it a metaphor.