, meaning that just one term/course is denoted as an instance of A different phrase/class, and it has a similar properties. We can also see it as a child-parent relationship. In general, rich snippets use structured facts schema markup that sometimes has precise markup regulations for each rich snippet, Nevertheless https://fatallisto.com/story9382755/how-much-you-need-to-expect-you-ll-pay-for-a-good-c-json-schema-editor