This is the basic unit of the program. It stores the sentence that you would like to be reminded of with a status.
This represents the status or what is the position of your Todo. This is set and maintained by the user using the Mark command. It is a charater, Any character on your keyboard. Usually it is
o for done.
! for important,
? for unknown. and
- for doing.
But here the app shines the most. Rather than using these, You can use your own markers for status. It could be a letter a number etc.