What does "Pending" on attendee list mean?

The attendee list of "Pending" includes the following attendees:

1. People who are processing online payment within 30 minutes, OR

2. Selected Offline Payment method to submit the registration

Xtra Tips: 

- The EMS automatically move the attendee status to "pending" when the registrant submits the registration form and processing the payment. 

- "Pending" status cannot be manually changed or set the attendee status to "Pending"