I think both are a bit cluttered, but at least the first one contains useful icons. What on earth do those 4 icons in the middle of the new UI even mean? My be

I think both are a bit cluttered, but at least the first one contains useful icons. What on earth do those 4 icons in the middle of the new UI even mean? My best guess of their meanings is "Phone, Audio, Radar, More" but that doesn't seem right. Also how am I supposed to know that "random number" refers to temperature?