1. In Activity Module, select the Project and click on 'Activities'.
2. Select an 'Activity'.
3. Select a 'Task' in the Activity.
4. Click on the 'Comment' icon.
5. Input your comment in the 'Comment' box and click 'Save'.
6. Comment input is reflected below the tasks in the comment section.
7. By clicking on the comment, you will be able to edit or delete it.