Zoom areas help you draw the learner’s attention to important sections of a slide. For example, if you create a simulation that includes a step that might be easily overlooked, you can add a zoom area to highlight the step. After you add a zoom area, you can add timing, transition, and audio options to the zoom effect. Zoom areas consist of the following:
Zoom source
The area of the slide that you want to magnify.
Zoom destination area
The area in which the magnified portion of the slide is displayed.

Fill
Color of the area within the Zoom Destination Area box. To decide the degree of transparency for the fill color, select a value for the option Alpha in the Color menu. The value of 90% is less transparent (more solid) than a value of 10%.
Add new image
Image for the zoom destination area. Click the respective icon to add, crop, or delete image.
Note:
You can also change the size and position of the zoom area or zoom destination area directly on the slide. Select the box you want to change. When the hand cursor is visible, you can adjust the position of the box. When the double-headed arrow cursor is visible, you can adjust the size.

Name
Enter a unique name for the object. You can use this name when defining the visibility conditions for the object.
Visible
Deselect this option if you want the object to be invisible on the slide. The object can be made visible using the Show option. For more information, see Controlling the visibility of objects
Style
Select a style for the Zoom source. To define a new style, select Edit > Object Style Manager. For more information on object styles, see Object style.
Fill
Color of the area within the Zoom source.
To decide the degree of transparency for the fill color, select a value for the option Alpha in the Color menu. The value of 90% is less transparent (more solid) than a value of 10%.
Note:
You can observe the fill color around the zoom area only when you preview or publish the project.

Appear After [#] Seconds
Delay between the first appearance of the slide and the first appearance of the zoom area.