If you're a content creator looking to create an introduction for your course, try one of these methods:
A course summary gives a brief overview of the course. It is often a single paragraph that summarizes all the key points of the course and provides an overall understanding of what the course is about.
The introduction should state what does a course summary looks like, why it's important & how to use this for your own writing. It's important to state why it can be very useful in many situations.
Have a friend to whom you would want to share this course?