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In the lower left corner of the announcement, you will see a search bar that you can use to locate specific replies or commenters.
Next to the search bar, you will see an “unread” button. You can use this to filter by unread replies.
Next to the unread button, you will see an eye button, which you can use to show or hide deleted replies.
Next to the eye button, you will see buttons that will allow you to expand or collapse replies.
In the upper right corner, you will see the edit button, which you can use to edit the announcement.
Next to the edit button, you will see the options icon, which you can use to mark all existing posts/replies as read, delete the announcement, and/or close the announcement for comments.
Below the edit and options button, you will see two numbers: the left number indicates the number of unread comments and the right number indicates the total number of comments.
Epilogue (Related links):
How you include an RSS link in your announcements: https://community.canvaslms.com/t5/Instructor-Guide/How-do-I-add-an-external-RSS-feed-to-an-announcement-as-an/ta-p/771
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