There is no such thing as private accounts here BUT in the Moderation tab, there is an option to mark your account so that your bleats shouldn't turn up in search engines etc. I don't think it's particularly secure but it should make you less searchable by people not on the site.

Feeds are the equivalent to Twitter's "For You" / "Following" tabs, except fully customisable. If you're here for porn, this feed is a concentrated stream of just NSFW media from people you follow: bsky.app/profile/did:...