This is a good explainer on how post visibility works on #mastodon. It may look a bit complex due to the decentralized nature of Mastodon, but in practice, it's a lot simpler than it looks for the vast majority of people.
A few years ago I made this flow chart of which Mastodon posts end up in which timelines! So, you can see how each instance will have a different l...
@astromecanik Helpful! Thanks!!