Configuration: Sales - CheckoutThe Checkout tab manages configurations and settings for the various features related to checkout, including a variety of shipping methods.
Configuration: Sales - TaxUse the Tax tab to configure the default tax class, tax calculation settings, default destination calculation, and various price and tax display settings.
Configuration: Shipping Methods - Flat RateThe Flat Rate option is where you enable and configure flat rate shipping. This shipping option has a standard fixed rate per item or per order, regardless of order size or weight.
Configuration: Google API - Google ShoppingThe Google Shopping option sets the account information to enable integration with Google’s free shopping service. Google Shopping allows users to find and compare products they want to buy online.