As you move through the course, you will see these small, yellow buttons ...

Pointing your mouse at these "info buttons" usually pops up a small text box. This is often additional detail about the topic you are reading, a definition, or some related point. Sometimes, they reveal a picture, like this...

We strongly recommend you look at all these info popups. They will enrich the course for you. In some cases you will need to click on the info button to activate the information popup...

The START AUDIO button, seen below, will allow the student to run a sound clip at their own pace
Try it right here.

Enjoy the course!