On the Modify Category screen, you can do the following:
Modify the category name and/or description: Change the name and/or description of the category as desired.
Delete the category: To delete the category, tick the Delete category checkbox.
Unlink topics currently associated with the category: To remove links to topics currently associated with this category, untick the corresponding checkboxes under Unlink topic(s) from category.
Link additional topics to the category: To add links to topics that you wish to associate with this category, tick the corresponding checkboxes under Link topic(s) to category.
After making all desired changes, click Submit.
To clear this form and start again, click Reset.
To return to the Select Category screen, click Back.