You manage all categories within the following admin tool:
CATEGORIES > CATEGORY SETUP
Once you go into that admin tool the first you'll see are the first/top/main categories currently in the software. If you wish to edit the name or description to any of these categories you only need to click the [edit] button next to each and change the name and description per language at the bottom of the next admin tool page.
To remove a category you only need to click the [delete] button next to it. This will delete all of that categories subcategories also. This will also delete any configurations attached to that category and subcategories from the system. Once deleted a category cannot be returned.
To insert a category at the level you are currently looking at you only need to click the Add a New Category to this Level at the bottom of that admin tool page.
You can have as many levels of categories as you like. To "enter" a category and possibly edit/insert it's subcategories you only need to click on that category's name or click the [enter] button next to it.
To edit the any of the following attached to a category:
you must "edit" that category. To do that click the edit button next to the category to make a change to within the CATEGORIES > CATEGORY SETUP admin tool as displayed in the screenshot below:
and you'll see an admin tool like:
That shows the following admin tools for that category:
If you wanted to add a subcategory to "For Sale" (for example) you would click on that category name OR the "enter" button next to it within the CATEGORIES > CATEGORY SETUP admin tool like shown here:
and then click the "Add a New Category to this Level" link:
To delete any current category in the software you only need to click the delete button next to that category within the following admin tool:
CATEGORIES > CATEGORY SETUP
The screenshot below illustrates where that button is within the above admin tool:
There are a lot of features attached to a category within the software so these will be happening when you delete a category: