Answer 3. There is no way to add a catergory linked from the admin pages.
Go to a specific bboard, then click on Administer.
Click on All the Questions.
Select a Question.
Go to the Category drop-down box and open it up. Pick Define New
Category and click Select Category.
This is the add a a category page.
/bboard/admin-q-and-a-prompt-for-new-category.tcl?msg_id=
Also you could allow users to create new categories and post a
question and add the category then.