ClarisImpact: Can‘t Make Body Smaller in Presentation Master Slide
This information was provided by Claris Corporation on 16 March 1998, and incorporated into Apple Computer's Tech Info Library.
You can't make the Body smaller than the sample outline on the Master Slide in a Presentation in ClarisImpact. You can reshape it, but the text block will not be smaller than the size needed to display the text.