Cross-tabs are matrix or spreadsheet-like reports that display summary, numeric data. With cross-tabs, you can quickly present a summary of data based on two categories. When you create a cross-tab, you can place it in the Group Summary, Query Summary, or Report Footer section of a Tabular report, or you can create the cross-tab as a separate report.
For example, a cross-tab report can show the sales of each region over a number of quarters: