What is the verb or action for Terminology?

There isn't a single verb that perfectly captures the action of "terminology." It's more of a concept than a direct action.

However, you can use various verbs depending on the specific context, such as:

* Define: To create or explain the specific meaning of a term. "The author defined the terminology used in the study."

* Use: To employ specific terms in a particular field or context. "The professor used technical terminology in his lecture."

* Understand: To grasp the meaning of specialized terms. "Students need to understand the terminology of the subject."

* Develop: To create a set of terms for a specific field or area. "Researchers developed a new terminology for their research."

* Explain: To clarify the meaning of terms for a broader audience. "The article explained the terminology in simple terms."

Ultimately, the best verb depends on the specific situation and what you want to convey about the "terminology."