is a form of visual note-taking. Instead of writing or typing out all of your notes like usual, include images and icons. Include color. Make your notes stand out using different containers, shapes, and shadowing. Try different fonts.
Sketching out your notes will benefit you greatly.
Comprehension improves
Focus improves
Retention improves
Recall improves
I created a Pinterest board with plenty of ideas and inspiration to help you get started. This is how I found all of the different fonts that I use, and icons as well. If you aren't sure how to draw something out, feel free to Google it. The Noun Project is also an excellent place to go to find icons.