They are Subtotal and Grand Total. Subtotal is simply a shortcut for creating a Summary Field using the sum operation. The final elements of a report are the graphics. Graphic elements include lines, boxes, image files, and OLE objects. These can be inserted into the report via the Crystal Reports menu.
Graphic elements are decorative embellishments on reports.
This is not to say that they are not important. Lines and boxes can be used to help separate data into visually logical groups. Image files, such as bitmaps may be used for identifying reports or adding company logos. OLE objects could be word processor or spreadsheet files which add meaning to the database report. Each report element has many properties which control how it appears or behaves.