In Taimer you can created fields for additional information about the project in the project basic information.
The additional fields are created and managed in the Settings tab.
Settings -> Program settings -> Add extra rows to project information. Click Edit and write the preferred headline.
On the bottom of the project information you can now find the extra rows.
You can add the extra information as a column in the project listing
Click on the dashboard symbol
Activate the Additional info tab (blue)