To clean up the appearance of your user interface, use the sizing and aligning tools from the tool bar on the Composition Editor. The tool bar provides several different tools for sizing and aligning parts. You'll learn a great deal about how to use them by experimenting with the different tools.
The following steps explain how to match the size of two parts, align the parts with other parts, and evenly distribute the parts within another part. You'll learn more about sizing and changing parts in Manipulating parts.