Multilingual Support for Additional Checkout Information

I have created a form to capture additional information during checkout. However, I currently don’t see a way to make this form multilingual.

Could you please provide support or guidance on implementing a multilingual solution?

The form looks like that:

Thank you in advance!

have a read here

@Dan_Suhr Thank you for your response. I have tried both variants from the linked guide, but neither of them works for me. I don’t see the fields in the Translation Manager, and I also cannot add a translation in the editor. Could it be that the checkout form behaves differently or that the translations need to be managed differently?

Screenshot from the Translation Manager, where every is translated:

Screenshot from the editor: no possibility to change the translation.