The data area is the area to the right of the options panel.
Depending on which feature you're currently using, this area will show you the data relevant to that feature.
When you select one of your database's tables or items, or an address in a list of addresses, or a watchlist, this panel will present you with the data contained within that table or item.
In 'ReQorder' mode the presentation panel contains a table, similar to a spreadsheet. Note that some tables contain a lot of columns and you'll need to use full screen or slide the dividers of the two other panels in order to get a good view of all the data.
In 'Charts' mode the data area contains the charts that are plotted after you click the 'Create chart' button.