on headings

Cmd When Applied To Object Action
? Data set Name>DDName, Percent Time Display context help information.
+ Data set Name>DDName Expand to reveal all entries.
+ Percent Time Zoom in scale.
Data set Name>DDName Collapse to show only first level.
Percent Time Zoom out scale.
SV Data set Name>DDName Sort next level by value.
SN Data set Name>DDName Sort next level by name.