This figure shows the Document Viewer task flow at runtime displaying a wiki document. The header includes the title "Document Viewer." The body includes a breadcrumb showing the path to the file being displayed. Under the breadcrumb is a toolbar including a File menu, a View menu, a Download link, and a star and number representing the number of likes the document has received. Under the toolbar is a preview of the document. Below the preview are general details about the document: last modified date and time, who modified it, the document version, and the side of the document. Under the general details is a tabbed section with the following tabs: Comments (displays the number of comments in parentheses), Tags, History, Info, Links, and Recommendations. The Comments tab is forward, showing a text box for comments with a Comment button at the bottom.