Scheduled The person committed to showing up to the event
Confirmed The person previously committed, and is again confirmed before the event takes place
Conf Twice The person previously confirmed, and is confirmed a second time prior to the event
Conf Thrice The person previously confirmed twice, and is confirmed a third time prior to the event
Cancelled The person had been scheduled but cancelled ahead of time, and did not attend
No Show The person had been confirmed to show up to the event but did not
Resched The person called to cancel and was scheduled into a different event
Completed The volunteer attended the event and completed the activity
In addition, you may see volunteers with a status of FB Maybe or FB Going. When possible, get a commitment from the person and use the status Scheduled.
Charles