>>6911465It's called an analogy, kid. You'll likely learn about these things when you go into high school, as it sounds like your middle school is absolutely dismal in teaching english.
Or maybe they took these basic english skills out of the current curriculum because generation Z is that hopeless.
They're not literally the same thing, it's just to show a comparison to example how similar something is to another thing
Battlestar GAlactica copycatting Star Wars is a very famous example of this.
In this case it's about civil war giant robots from a giant metal planet that transform into earth vehicles that imitated civil war giant robots from a giant metal planet that transform into earth vehicles.