The list contains a sequence of events, from the first registered by a disk to the last one; colors of the disk are kept unchanged. Consecutive lines are arranged as per the time they occurred.
After clicking a given event from the list a fragment of the wheel on the disk pertaining to it will change color into blue thus showing the position oRf such event on the list.
Meaning of symbols: 
 - rest, 
 - drive, 
 - availability, 
 - work.
Symbol containing the designation:   | 
  | 
After clicking the list with the mouse right button menu,will be displayed – it is for data managing.