The Announcement block component makes it possible to add a tag related announcement. It is not possible to add any other component from the Announcements category outside of an Announcement block.
By default, the Announcement block contains the following components:
To add an Announcement block to a page, drag and drop the component on the canvas. Once the component added, go to its Settings section and add a tag to display a specific announcement.
It is only possible to add one tag per Announcement block.