The Store tab lists the categories defined in your eBay Store. It allows you to edit data used to list products in the categories.
Open the Store Tab to display the categories in your eBay Store on eBay's site.
Click on the name of an eBay Store category name to edit the Extra Product Description and eBay Category ID for the eBay Story category.
The Extra Product Description defines optional HTML to add to the end of product descriptions of products added to the eBay Store category.
The eBay Category ID defines the default eBay Category to use for products added to the eBay Store category.