In normal view, powerpoint's contains buttons such as notes, comments, and view.

In normal view, powerpoint's status bar contains buttons such as notes, comments, and view. Status bar is located at the bottom of the PowerPoint application window, and it is needed to show both all the information about the document and user's ability to change the settings of a presentation. Status bar includes such specific items as : zoom control, slide number, comments and note pane buttons and view control.

Which approach what do you mean