Rename Checkout Fields

How can you rename checkout fields in WordPress? This use case shows how a focused WordPress code snippet can handle the task without installing a heavy plugin. The snippet should rename the checkout company field label to “Company / VAT” and produce this result: The checkout company field uses the label “Company / VAT”. You can also log in to LeonLab.ai, describe this WordPress use case in plain English, generate the snippet, review the PHP code, and deploy it to the selected WordPress project.