It doesn't have to be complicated: day and night; the seasons; birth, youth, maturity, death; pregnancy; all the ordered relationships you discover when you tend a garden. etc.
2. Cyd Charisse
Yes, the divine, magnificent Cyd, gone. "Bandwagon" has two musical numbers worth watching: the triplets, and the detective stuff at the end.
"Silk Stockings" (Astaire, Charisse, Peter Lorre) is ten times better than "Ninotchka," and she is just devastatingly beautiful and funny in it. If you've never seen it, you owe yourself a treat. The plot is that Charisse is a Russian commissar sent to corral a Russian composer and his watchers who are reluctant to return to Russia. Fred foils her efforts.
As for her dancing: Fred said it best (though this keeps getting misquoted) "When you dance with Cyd, you stay danced." She was one of his favorite partners. He loathed Ginger.
Joanna