Short Answer:
You can message a member from the Quick Action menu, or by clicking Members in the main menu.
Quick Action Steps:
1. Click on Quick Actions and click on messages.
2. Start typing a member’s name to search for one.
3. Select the member and send your message.
Member Menu Steps:
1. Click on Members in the main menu.
2. Click the ellipsis (three dots) to the right of a member’s name.
3. Click Send Message.