Coast Fire or Barista Fire?

Coast means save aggressively fund a bunch of money into a retirement account then you can. Barista fire basically is coming up with a number that if you think like what how much money you'll need a retirement and how muchMoney you feel like you'll be able to if you don't stop workingyou'll be able, kind of um like finding that difference if you will. That's my understanding of the term coast fire i don't understand i don't know the term barista fire is it similar is there or can you define it more clearly for me so sure.