What is the difference between a Parent SKU and a Seller SKU?
A Seller SKU is a unique identification code of each item that you have. It allows you to easily identify your own product.
A Parent SKU groups the same items of different size variations together. It usually follows the Seller SKU with the smallest size.
What is a SKU config and a SKU simple?
A SKU config is one product style, per color. A SKU simple is a size variant of an SKU config.