The file Magento_Checkout/Js/model/quote provides the shipping address of the current quote. It contains the necessary methods to retrieve and manipulate the quote's shipping address data.

Language packages are located in the 'i18n' directory in Magento. Reference: https://devdocs.magento.com/guides/v2.4/config-guide/cli/config-cli-subcommands-i18n.html

If a B2B buyer wants to negotiate the product price from a shopping cart, the developer should enable the B2B Quote feature. This feature allows buyers to request a quote for a specific product directly from the shopping cart. Reference: https://docs.magento.com/user-guide/configuration/sales/quote.html

Multiple EAV attributes belonging to the same entity are grouped in the database based on the types of values they contain. This means that attributes with similar data types (e.g., text, integer, decimal, etc.) are stored in the same table.