Use when the user asks how Spree 6's domain models relate or where something is stored — Store/Channel/Market/Catalog, Product/Variant/Price/Category/Collection, Customer/Company/CustomerGroup, Cart vs Order, LineItem, TaxLine/Discount/Fee, Fulfillment/DeliveryMethod/StockLevel, Return/Exchange/Claim, Payment/PaymentSession/Refund/StoreCredit/GiftCard, Seller/OrderGroup, prefixed ID prefixes and document numbers.
