Which term describes a brief reference in a text to a fictional or historical story person or event that readers will be familiar with

The term that describes a brief reference in a text to a fictional or historical story, person, or event that readers will be familiar with is an allusion.

The term that describes a brief reference in a text to a fictional or historical story, person, or event that readers will be familiar with is called an allusion. An allusion is often used to enhance the meaning or depth of a text by referencing something well-known. It works on the assumption that the reader will recognize the allusion and understand its intended significance within the context of the text.