The preferences can also be used to configure how the Function Call Browser displays graphical information in the Called By and Calls Into views. Click on the Called By Layout tab or the Calls Into Layout tab in the Preferences. Both views perform the same operations on the relevant Function Call Browser view.
Figure 14.5 A layout view in the Function Call Browser preferences
LispWorks IDE User Guide (Macintosh version) - 25 Nov 2011