You can select a transition for your presentation and adjust its duration (in ms) on the right hand side of the Annotations Bar.
The Laser Pointer tool shows a colored dot on screen, which is controlled by hovering your cursor over the current presentation slide. This helps you in directing where the viewers should look during your presentation.
The whiteboard tools lets you choose from the Freehand, Circle, Rectangle, and Arrow tools to annotate and highlight any part of your presentation.
You can use Presenter Notes to add things such as key points, references, and presentation notes relevant to the slide being displayed.
You can change the position of the Presenter Notes by clicking the the Change Position icon at the upper right corner.