涙雨: light rain; rain during a time of sadness

rain falling at a time of sadness / light rain

(Internet slang, dated) Windows (an operating system)

to fall from the sky, to precipitate / (passive) to be hit by or caught in something falling head on.

window / (regional, dialect, Etchū region) a deep gap in a mountain ridge (so called for the way the wind blows through, like a window)

window

天の下: the whole world, under heaven; the people of the country or nation; the imperial court; the administration, the government; all of Japan

天が下: the whole world, under heaven; the people of the country or nation; the imperial court; the administration, the government; all of Japan

threatening sky, signs of rain, looking like rain / rainy weather

to see, to watch, to observe, to look at something / to look over, to examine, to judge / to take care of, to look after, to keep an eye on somebody