Photo by Volodymyr Hryshchenko on Unsplash I once was interviewing a candidate for a design engineer role and I was really struggling. The candidate was trying to explain their final year project thesis and, from words alone, I couldn't follow. Without thinking, they picked up a pencil and started drawing on a nearby notepad, and their dialogue immediately stopped. They needed to communicate visually in order to explain more clearly. Words for them was not enough. A visual c