Can someone ELI5 me on how Bitcoin is mined, literally explaining the process of hashing to win the block?

The way i understand it is, every block has a header and in each header are various bits of info. The miner has to take a few bits of this info, hash it, only winning the block when the hash fits a certain digit size or something??

How far off am I in understanding it? This is something that when explaining bitcoin to a noob would be useful to know. Is it explainable in a few sentences?

Thanks in advance 👍

Edit: Thanks guys, great responses! Also very impressive the amount of hashing that is going on every second, WOW mind blowing!

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