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when you say "it's raining", what is "it" 
@lynnesbian feel free to say "Q ur dumb" if you weren't asking seriously, but the "it" is called a dummy subject. it's there because English requires a noun of some type to be the subject of the sentence, it doesn't mean anything in particular
@saltqueer i do actually know that, my wife is an amateur linguist and she tells me stuff like that all the time
it's just something interesting and kind of a thought provoking question without an immediately obvious answer
but thanks for the explanation c:
@saltqueer@sunbeam.city@lynnesbian aaaa i studied linguistics for the like... year I was in university. it's a good subject!