Select the appropriate submenu item to hide or show the background, paint, or object layer.
Select the appropriate submenu item to enlarge (zoom into) or
reduce (zoom out of) your document's display in the front most window.
Note: Teaching students
the keyboard shortcuts Command + and Command - (Mac) or CTRL
+ and CTRL - (Windows) can be very valuable.
You can choose Show Grid to display a helpful grid on your canvas.
The grid will help you align objects on the canvas. It does not
print and can be hidden or shown. The Snap to Grid submenu item
causes new objects jump to the nearest grid lines when those objects
are drawn. The Grid Size... submenu item displays a dialog box that
allows you to change the size of the grid.