Here we have gathered the most common questions about Mastodon.
Hopefully the answer to your question is here.
Common FAQ for Mastodon
What is the difference between a local timeline and a federated timeline?
A local timeline shows posts from users on the same server, while a federated timeline shows posts from users on other servers that your server is connected to.
Can I control who sees my posts?
Yes, you can choose to make your posts public, visible only to your followers, or visible to select groups of users.
How do I find and follow new users?
You can find new users through the search function, by browsing profiles on the federated timeline, or by joining themed servers and interacting with users there. To follow a user, simply click on the follow button on their profile.
