# Cart order model overview

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

<figure><img src="https://2774728256-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FRImfQfWKwA2i0GqpcH8m%2Fuploads%2FC1ux9MqKy9YIj5pg5s4t%2Fimage.png?alt=media&#x26;token=5b2e7640-f697-4338-af4d-822d76d2537a" 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 |