This allows you to feature the posts you think are important. When you star a post, it expands to widescreen.
Edit
Pin to top: A pinned post always appears in the top left of a Page's timeline and has a flag in its top-right corner. A post a Page admin pins to the top of their Page will remain there for 7 days. After that, it’ll return to the date it was posted on the Page’s timeline.
Change Date when the post was posted
Repostion photo:it allows you to make a nicer preview of the picture
