Whats the meaning to the eminem and bruno mars song lighters?

meaning of the song is about accomplishing something & following your dreams.Its like Michael Jackson followed his dreams to become the best basketball player in history.Now look at him now...Hes the best now.Also its like Eminem & Royce accomplishing their journey to become big & famous.I'd rather say Eminem on this part, he became like the King of Rap.Anyways basically the song is about following ur dreams & accomplishing them