Customization screen is used to maintain topics, subtopics and types of solutions.
You can add, rename topic/subtopic by clicking on Add icon. Delete icon deletes the selected topic/subtopic.
You need to delete the subtopics and related solutions before deleting the related topic.
You can add, delete, edit, activate, deactivate, select default solution type.
Permanent and Workaround are system types. You cannot delete the system types.