In the Messaging section, Messages can be created, sent or deleted. The Messages are grouped into Draft, Sent and Deleted.
The buttons for the Members Messaging section are.
Edit – lets you edit a message when it is in Draft.
Preview – lets you preview the message when it is in Sent.
Send – lets you send the message, after which it is moved to Sent.
Delete – lets you delete a message from Draft and Sent.
Create lets you create a message in Draft.