An astrolabe is relatively unknown in today's world. But, at the time, in the 13th century, it was the gadget of the day. It was the world's first popular computer. And it was a device that, in fact, is a model of the sky.
What is it about animation, graphics, illustrations, that create meaning? And this is an important question to ask and answer because the more we understand how the brain creates meaning, the better we can communicate, and, I also think, the better we can think and collaborate together.
We are visual creatures. When you doodle an image that captures the essence of an idea, you not only remember it, but you also help other people understand and act on it - which is generally the point of meetings in the first place.
The standard way to record a meeting is to list people's names, the topics, and action items. The visual way is to doodle a rectangle (the table) populated by figures (the participants) sitting around the table with their comments as cartoon word balloons.