You can view the complete message by selecting the respective notification from the Notification Inbox page.
You can save the notification in the Starred section by clicking on icon.
You can reply to the notification by clicking on .
You can view all the details of the person to whom the message is related to by clicking on the individual's name.
You can navigate away to the previous page by clicking on icon.
You can reply, forward or archive the message by clicking on the action drop down option.