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docs: general fixes to cart and order concept docs (#13270)

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Shahed Nasser
2025-08-21 19:09:01 +03:00
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commit 25ed42f740
10 changed files with 367 additions and 121 deletions
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www/apps/resources/app/commerce-modules/cart/concepts/page.mdx
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@@ -4,13 +4,19 @@ export const metadata = {
# {metadata.title}
In this document, you’ll get an overview of the main concepts of a cart.
In this document, you’ll learn about the main concepts related to carts in Medusa.
## Shipping and Billing Addresses
## Cart
A cart has a shipping and billing address. Both of these addresses are represented by the [Address data model](/references/cart/models/Address).
A cart is the selection of product variants that a customer intends to purchase. It is represented by the [Cart data model](/references/cart/models/Cart).
![A diagram showcasing the relation between the Cart and Address data models](https://res.cloudinary.com/dza7lstvk/image/upload/v1711532392/Medusa%20Resources/cart-addresses_ls6qmv.jpg)
A cart holds informations about:
- The items the customer wants to buy.
- The customer's shipping and billing addresses.
- The shipping methods used to fulfill the items after purchase.
- The payment method and information necessary to complete the purchase.
- These are stored and handled by the [Payment Module](../../payment/page.mdx).
---
@@ -18,14 +24,22 @@ A cart has a shipping and billing address. Both of these addresses are represent
A line item, represented by the [LineItem](/references/cart/models/LineItem) data model, is a quantity of a product variant added to the cart. A cart has multiple line items.
A line item stores some of the product variant’s properties, such as the `product_title` and `product_description`. It also stores data related to the item’s quantity and price.
<Note>
In the Medusa application, a product variant is implemented in the [Product Module](../../product/page.mdx).
</Note>
A line item stores some of the product variant’s properties, such as the `product_title` and `product_description`. It also stores data related to the item’s quantity and price.
---
## Shipping and Billing Addresses
A cart has a shipping and billing address. Both of these addresses are represented by the [Address data model](/references/cart/models/Address).
![A diagram showcasing the relation between the Cart and Address data models](https://res.cloudinary.com/dza7lstvk/image/upload/v1711532392/Medusa%20Resources/cart-addresses_ls6qmv.jpg)
---
## Shipping Methods