The dialog appears when you do either of the following:
It helps you to summarize data in the selected table detail column. See the dialog.
Aggregate On
Displays the field bound with the detail column. The field is also the one on which the summary is based.
Function
Specifies the function to summarize the field in the detail column. For details about each function, see Math functions.
OK
Summarizes the detail column data with the specified function and closes the dialog.
Cancel
Does not retain any changes and closes the dialog.
Help
Displays this help document.