Add a new product category in zen cart?

To add a new product category in zen cart , follow the following instructions:

• Move your cursor over the catalog link in the top menu.
• Click on Categories/Products
• Click on the “New Category” Button
• Type in the name of the category
• Type in description of the category
• Upload an image related to that particular category by clicking on the browse button
• Upload to directory : Leave this unchanged
• Or select an existing image file from the server : leave this unchanged
• Sort Order (Optional) : can be a any number starting from zero.
• Click on the “Save” Button
• All done. Your category has been added.

* A main category can have sub-categories or products but not both at the same level. The category sub-category structure in zen cart is as follows.

• Main Category >> Products for Main Category
  OR
• Main Category >> Sub-category A >> Sub-Sub-Category B1 >> Products for B1