It means no one can make any changes to the topic, such as post, like, edit, etc.
Oh, and unlist means that nobody,can see it
That means it doesn't appear in the Latest category, but people can access it if they have a link.
Oh. Wow! Thats cool!
It wouldn't let me delete the posts, so I did everything I could
You gotta do what you gotta do. As long as it is for the good of hopscotch! (Jk, )
It means they can't edit or do anything on the topic!