There are Job Events, these job events help to track your activities related to the job hunt. There are predefined events like: Informational Interview, First Interview, Second Interview, etc. If you want more, you can add custom events.
The place where you add information to these fields is on the logs. Go to the job where you want to add information, add a log entry or an action item, there is a drop down where you can choose an event status and save the information. Automatically you will see the information of the date on the detail page.