Add Headings and they will appear in your table of contents.
Image Principle
Not all visuals earn their place
https://youtu.be/GxkdaRbkx6o?si=JRUYKV-Ms7Otl3Cn
Contrary to intuition, adding a speaker’s image (e.g., a “talking head”) does not necessarily enhance learning—and may even detract by splitting attention.
Skip the presenter’s video feed unless it adds instructional value.