A small explanation of the simple future tense, learning can be easy and efficient, you can also always come back to reviewing in case of doubts without having to go over a lot of information
The audiovisual material is there in case students or teachers would like to review it in another way aside from just reading and trying to comprehend with it. There are many strategies at the moment of learning which can be applied and this course is trying to appease all type of learners interested in the future simple.