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Navigating the course's content is platforms dependant but mostly intuitive. It probably benefits from experimentation but ask if you've a need.
Depending on your settings and the defaults the videos can run on from lesson to lesson or require that you click "Complete and continue" at the top of the screen.
Each Module's first and last lesson and each exercise/ case-study has facilities below the other content (eg videos and text) to make contributions such as exercise answers, module questions or anything else you feel would help you get the most from studying - and you can always eMail me
The slides, in fully animated.hyperlinked html and hyperlinked pdf versions are in the last but one lesson of this module for online - eg mobile - access and the pdf is downloadable for offline access. The last lesson of this module is the Exercise and Case-Study workbook for consolidating knowledge acquisition into skills growth. It is also downloadable.
The biggest challenges to completing a video eLearning course (IMHO) are: