Understanding how systems work is essential to making informed decisions, solving problems effectively, and finding ways to innovate. Using a visual tool like block diagrams helps us organize thoughts and gives us a broader view of complicated systems. At its core, a block diagram is a streamlined graphical representation of a system, illustrating the relationships between different components or processes. It’s a form of visualization that uses blocks to represent the parts and arrows to indicate the flow of information or process. This simplicity is what makes a block diagram an invaluable tool for product managers and engineers alike, as it helps to demystify complex systems.