TIL that in the docs there is a detailed explanation for how federation and search works in Lemmy ( join-lemmy.org )
https://lemmy.ml/pictrs/image/cb6a4782-4409-4f6b-9139-8c028785de1e.png...
https://lemmy.ml/pictrs/image/cb6a4782-4409-4f6b-9139-8c028785de1e.png...