When you provide details about your subject that your audience might not be familiar with, you are using which rhetorical strategy? definition
classification
cause and effect
compare and contrast

Definition - Defining involves telling your reader what something means—and what it does not. It involves saying what something is—and what it is not. As a strategy, defining means making sure you—and your readers—understand what you mean by a key term. It may mean re-defining a common term to have a more precise meaning or giving nuance to a term that is commonly used too broadly.

Bmetaphor i think that’s the answer