# Commerce and logistics

Product codes, sizes, shipping terms, tracking numbers and vehicles.

## Topics

| Page | What it covers |
|---|---|
| [Commerce, travel and health codes](/docs/commerce-travel-and-health-codes.md) | These are the codes trade, transport and healthcare use: barcodes, ISBNs, container numbers, delivery terms, airport codes, blood types, diagnosis codes. |
| [Records and health measures](/docs/records-and-health-measures.md) | These types are the records that sit beside an app's own data: a parcel's size and tracking number, a flight, a clothing size, a vehicle registration, a rating, a barcode. |

## Types

| Type | What it is |
|---|---|
| [`Sku`](/docs/types/type-sku.md) | A seller's own stock code: up to 64 characters with no spaces, such as `AB-1234-XL`. |
| [`Ean13`](/docs/types/type-ean13.md) | The 13-digit barcode number on most products outside North America. |
| [`UpcA`](/docs/types/type-upc-a.md) | The 12-digit barcode number on products in the US and Canada. |
| [`Isbn`](/docs/types/type-isbn.md) | A book's number, in its 13 digits with no hyphens. |
| [`Sscc`](/docs/types/type-sscc.md) | The 18-digit number on a pallet or shipping container's label. |
| [`Barcode`](/docs/types/type-barcode.md) | What a barcode encodes, and which kind of barcode it is. |
| [`UnitQuantity`](/docs/types/type-unit-quantity.md) | How much of something: a count of items, or an amount by mass, volume, length or area. |
| [`Rating`](/docs/types/type-rating.md) | A rating on its own scale: `4.5/5`. |
| [`ClothingSize`](/docs/types/type-clothing-size.md) | A clothing size in its system, as the label writes it: `UK 10`, `US M`. |
| [`ClothingSizeSystem`](/docs/types/type-clothing-size-system.md) | Which system a clothing size is in: `UK`, `EU` or `US`. |
| [`ShoeSize`](/docs/types/type-shoe-size.md) | A shoe size in its system, as the box writes it: `UK 7.5`, `EU 42`. |
| [`ShoeSizeSystem`](/docs/types/type-shoe-size-system.md) | Which system a shoe size is in: `UK`, `EU` or `US`. |
| [`Dimensions`](/docs/types/type-dimensions.md) | A box's length, width and height. |
| [`HsCode`](/docs/types/type-hs-code.md) | A customs code for a kind of goods: six to ten digits, such as `090111` for coffee. |
| [`Incoterm`](/docs/types/type-incoterm.md) | A rule saying who pays for what in international shipping: `FOB`, `DDP` and so on. |
| [`TrackingNumber`](/docs/types/type-tracking-number.md) | A parcel's tracking number, with its carrier: `UPSN 1Z999AA10123456784`. |
| [`Carrier`](/docs/types/type-carrier.md) | A shipping company by its two-to-four-letter code: `UPSN`, `MAEU`. |
| [`ContainerNumber`](/docs/types/type-container-number.md) | A shipping container's number, checked by its check digit: `CSQU3054383`. |
| [`LotNumber`](/docs/types/type-lot-number.md) | A manufacturing batch: up to 20 characters, such as `ABC123`. |
| [`SerialNumber`](/docs/types/type-serial-number.md) | One item's own serial number: up to 20 characters, such as `SN-0042a`. |
| [`Vin`](/docs/types/type-vin.md) | A vehicle identification number: 17 characters with no `I`, `O` or `Q`. |
| [`VehicleRegistration`](/docs/types/type-vehicle-registration.md) | A vehicle's registration mark with its country: `GB AB12 CDE`. |