Core concepts for working with Bluesky. 📄️ Creating a post. Bluesky posts are repository records with the Lexicon type app.bsky.feed.post. 📄️ Viewing feeds. Feeds are lists of posts, paginated by cursors. Bluesky has a few types of feeds: 📄️ Viewing threads. A thread refers to a post, its replies (descendants), and its parents