1. All courses have units with videos, text and exercises.
  2. You will need a device with audio output such as a headphone or speakers to listen to the audio of the videos.
  3. Some videos have captions or subtitles (text of the audio). To view the captions/subtitles, start playing the video and then click on the button labelled “CC” (see image below).
  4. Most units have exercises, see example below. While some are quick to answer, others will require you to take time to reflect.