Hugo and Contentful - how to create hierarchy?

I am new to Hugo - I am successfully using to get Contentful content into Hugo.

because of this process, I cannot create folders under the /content folder to give hierarchy, but I can assign tags and other bits of metadata (I believe this is Front Matter in hugo parlance) to the content in Contentful.

What is the best way to create a hierarchy (in this instance, a FAQ with a single level category to group individual questions) based on just metadata within each .md file?

Have a look at: