in the menu bar of the software. Options include Start, Insert, Design, Switch and Animation. Options can be clicked to perform corresponding operations. On the far right side of the toolbar, there is a triangle icon, which is an option of other functions. After clicking it, more options will be expanded, including Selection Pane, Object Alignment, Grid Lines and Guides, Slide Master and so on. At the bottom of the toolbar, there is also a "View" option, which will expand a drop-down menu after clicking, and you can choose different view modes, such as "Normal", "Outline" and "Slide Browse".