If you click on the History tab in the application, you can track the applicant's recruiting process. 

The tab contains a list of all applications relevant correspondences, status changes, feedbacks, recommendations etc. with date, time and editor. 

You can see here at a glance what happened and who made the changes. 

In the first column you will see an icon for the type of history entry.

In the second column you will see the title, the description and an icon if applicable.

On Send info or a status change with correspondence you will see a   icon if an email was sent and a  icon if a letter was sent.  When you press on the icon, öthe correspondence that was sent opens. If this icon has an addition by the icon, the sending is scheduled to a later time. 

The last column contains the date, time, and name of the user who executed the  changes.