You can view the APDL manual, by clicking "Start","All Programs", "ADPL", and "Palm Edition" or "Pocket PC Edition" on your computer. Here is a description of each field in the leg(s) section:
In the Leg(s) Section:
Row 1: Flight Number, Departure, Destination, Actual Out Time, Actual In Time, and Actual Block Time (min).
Row 2: Aircraft ID, Payroll Category, Scheduled Out Time, Scheduled In Time, and Scheduled Block Time.
Row 3: Night, Instrument, Type of Approach, Position/Flying Pilot/Time-of-Day, and Notes.