All tagged the one

What does "The One" by The Chainsmokers mean?

The Chainsmokers have released a new song! "The One" is slower and more purposefully emotional than most of the hits The Chainsmokers has been dropping recently. That being said, that slowness isn't what we expect from The Chainsmokers, so I'm curious to see whether people will take to it or not. Of course, it does sound like The Chainsmokers are diversifying their repertoire with "The One," which could be a sign that they're growing as artists.