The cart label key is customizable in your preorder settings, allowing you to use it alongside the cart label text. While the cart label text can be fully customized in any language, the cart label key must use English characters. Hyphens are allowed, but spaces and special characters are not permitted.
On the App:
You can set the cart label key in the settings according to your preferences.
On the Storefront:
The cart label text can be displayed in the language of your choice, but the cart label key will still follow the mentioned format.