1) Select 'Display | Specific Fields', then check or un-check the individual fields.
or
2) Select 'Display | Customize Grid' then press the 'Modify Columns' button. You now have options to move fields, change their width, show/hide them, and fix them left if desired.
Many clubs use the 'Condensed Display' since it simplifies how dancers are shown. (from the Rotation window, press the 'Condensed Display' button).