The colored dot shown on the task list is a filling indicator for the subtasks contained within each task.
Green dot: all subtasks inside the task have been completed.
Orange dot: some subtasks are missing, but they will not prevent you from sending your flight report.
Red dot: a mandatory subtask has not been completed. This will prevent you from sending your flight report.
If you are missing a mandatory subtask, the following message will appear when you attempt to send your flight report.

