You can activate (or deactivate) the guidelines with the “/” shortcut key. You will initially see a horizontal and vertical line that indicate the exact center of the page.
Next, additional lines will appear along the edges of an element when you select it. With these handy lines, you can precisely align the element with other elements on the board.
You can also access lined paper as well as graphing paper to help you align the images and text elements on the Whiteboard.