All scheduled Debtor appointments (events) added in the Calendar (Default ribbon) for the selected debtor (customer / client) account will be listed here.

If you double click on a selected appointment, the Bulk time entry screen will be launched. You may select the dates edit reschedule, add notes, etc. and set reminders, etc.  

You may click on the column headings (i.e. Description or Notes) to change the sort sequence from the ascending to the descending sequence.

You may click on any of the column headings (i.e. Start time, End time, Description or Notes) and drag it to the left or right to change the sequence in which to display the columns.