A MaxL script or MDX script may contain variables; if you want to see the variable definitions, you expand the script. The desired information is displayed in the body of the script.
MaxL scripts may contain references to other MaxL files. To see the contents of referenced files, you expand the script. The desired information is displayed in the body of the script. Any changes that you make to the contents of an expanded file within the script editor do not affect the actual file.