Yesterday I was reading some Mckinsey articles on how machine will impact differrnt types of works, the article was made more professional by the beautiful diagram it has. And I relate that to my experience of demonstrating user journeys to the business, if is true, a good picture speaks a thousand words. So are the rules to create a good diagram Color plays an important role in creating a good diagram; while the actual color we select does not matter too much (and please do not use too much time trying to match the color meaning with the audience culture); I find the following guidelines very useful: Use same color for objects that belong to the same concept (say, if I am showing the male and female population by age group, I will use one color for all bars representing female and another color for male); Use a color scheme that provides contrast between different objects. Take the same example before, I will probably use Pink for female and Blue for male in stead of two Pink or B...