Continuing on what data to visualize to solve problems better, today a short text on processes and systems.
Sometimes your problems are in your processes; it could be organizational, production, or other types of flows. Or your challenge is in a system you are working with, for example, software with a complex architecture or a chemical reaction system (they are not that different). Draw a flow chart for how you think the each step of the process connects. Write or draw whatinformation flows between each unit, and if there are any unique features for each part.
When you have your process or system visualized then it is easy to start pinpointing challenges and even attach relevant data to each step, so it is easy to see connections and patterns. You are allowed to use the whole wall to show a process with an A4/A3 for each part of the process with data and graphs.