The available grouping options are displayed in the left hand box.

button to move the selected item to the Right hand box.Alternatively double click the grouping level to move the item to the box on the right.
button.
button to insert a Page Break after any selected grouping option.By clicking this button after a selected grouping level, a page break will be inserted every time a new group item appears. For example, a page break can be placed after Dealer, which will start a new page for each dealer.

button to summarise report information.