@EmrynVale@social.vivaldi.net Posts on Mastodon are called 'Toots'. The Toot icons do the following: Left arrow: replies to the toot. Double-arrow: Boost or Quotes the toot. Star icon: Favorites the toot. Bookmark icon: Bookmarks the toot. Three dot menu: Provides other options (Copy Link, Mention, Mute, Block, Report) for the toot. When one replies to, Boosts, Quotes and/or Favorites a toot, the user who made the toot receives a notification, if they have set up that notification.