So basically the moon's position follows a combination of several sine(ish) waves, and this is (close to) a global maxima of that combination? You and the arti

So basically the moon's position follows a combination of several sine(ish) waves, and this is (close to) a global maxima of that combination? You and the article both say "high" which I would usually assume to mean "high altitude", but in this case it means "northerly azimuth"?