This interaction uses a clipboard background image and dynamically adds check boxes for a list of items. The maximum number of items is 7.
Clicking the checkbox displays the content panel associated with that topic. As the user clicks on the next checkbox in the list the one just visited is graphically checked off, as illustrated in this screenshot, the visitor has viewed 2 of the items on the list.
The Bulletin Board uses pinned notes to a bulletin board as the graphic format. Each note holds the title of the topic and clicking on it displays the content. Maximum of 8 topic is best.