> For the complete documentation index, see [llms.txt](https://developers.alephee.com/v2/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.alephee.com/v2/orders/logical-model/shopping-cart-orders/cart-order-model-overview.md).

# Cart order model overview

The logical model of a shopping cart pack can be represented as follows:

<figure><img src="/files/ljCnvJurpAUQQyPCGwZT" alt=""><figcaption></figcaption></figure>

A shopping cart pack is made up of several sections. Each of the sections contains attributes and other objects needed to that section. The content is:

| Section  | Contents                                                                                                                                                                                                                                      | Cardinality |
| -------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------- |
| Header   | <p>Shopping cart basic information.</p><p> </p><p>All individual orders in the same shopping cart share the same header information. This ORDERS PACK displays that information once and is not repeated for each individual order.</p>       | 1           |
| Buyer    | <p>Buyer basic information.</p><p> </p><p>All individual orders in the same shopping cart share the same buyer information. This ORDERS PACK displays that information once and is not repeated for each individual order.</p>                | 1           |
| Payments | <p>Collection of payments in the order.</p><p> </p><p>All individual orders in the same shopping cart share the same payments information. This ORDERS PACK displays that information once and is not repeated for each individual order.</p> | 1 up to 10  |
| Shipping | <p>Shipping information.</p><p> </p><p>All individual orders in the same shopping cart share the same shipping information. This ORDERS PACK displays that information once and is not repeated for each individual order.</p>                | 1           |
| Orders   | <p>Collection of orders into the pack.</p><p> </p><p>Each one of the individual orders uses its own<br>logical model.</p>                                                                                                                     | 1 up to 500 |