Metafields are extra, hidden data in each objects or in your shopfront that informs you more about the object itself without revealing them.

What are Shopify meta fields?

Metafields enable you to customize the functionality and appearance of your Shopify store by letting you save specialized information that isn’t usually captured in the Shopify admin. You can use metafields for internal tracking, or to display specialized information on your online store in a variety of ways.

What is meta key in WordPress?

The meta key determines how the field will be stored into the database of your website. … The metakey is used to retrieve the saved value from the database and display it. If you are a developer, chances are you already know about this WordPress function.