In the -G lines wizard, you find a second level of -G lines that are dedicated to the fillers (for Segments only), groups, Data Elements, and Segments called the -CE Lines of a Segment.
The -G lines wizard opens from the-CE Lines tab of the Segment editor, from theData Element call section,Segment call section,Filler definition section, and Group definition section. In this wizard, you can enter comments on -GC Lines, modify error messages in Segments' -GE Lines, or customize SQL accesses with the -GG Lines for the element called in a Segment.