A couple days ago, I learned a flute phrase in "The Fool on the Hill," and as I was thinking about the song this morning, I realized something about the chorus. "'Round" in the line "See the world spinnin' 'round" is sung with a melisma (D E D, I think), although only the first and last times (~0:39 and ~2:38). This gives a musical sense of the movement of "spinnin' 'round."
While looking into that, I also noticed that the "sun going down" part of "Sees the sun going down" descends (Bb A G G), musically illustrating that "going down."