...
Adding a comment
When you click on Add Comment, you will be presented with a dialog dialogue box to enter in the comment you want to capture.
...
When you click Save, it will be shown in the accordion.
...
Sending an email
When you click, Send you will be presented with an email dialogue box where you can choose the recipients and send an email in relation to concerning the project.
...
When sent, you will see a record of it in the Communication accordion.
...