Means I can type in the comments to replies and they should federate back over to the original thread. Before, WordPress really couldn’t act as a discussion federator; I made it easy on myself by just federating my comment URLs via webmention to wherever they needed to go manually (copy comment, paste into other website text box, submit.) Or at the very best, use my Mastodon or MicroBlog account to respond. Hopefully this makes replying back to others easier now; although I still don’t know about Webmention support or how it works in syndication…