The starting bar is where a process splits, and the ending bar is where the process joins back together again. Diamonds are usually black but can be filled with other colors too.īars: Bars mark the starting and ending points of parallel flows or multi-part activities. They have two or more lines extending from them, symbolizing different decisions that can be made. It’s common to use a color to fill ellipses so that they’re more noticeable against the background.ĭiamonds: Diamonds represent decisions. It’s easy to recognize these - they usually have text describing the action they represent inside them. There are only five main activity diagram symbols you need to know and remember.Įllipses: Ellipses represent actions within a system. Reading an activity diagram is straightforward. This makes it easy to identify and remove superfluous, unnecessary actions clogging up your system or organization. Activity diagrams make it easy to see dead ends, duplicate activities, and more. They make it easy to identify and remove unnecessary actions from a process. This makes it easy to make sure processes are being executed as intended - and correct them if necessary. It’s easy to compare what is actually happening in your system or organization against an activity diagram. They tell you whether a process is being executed as intended or not. This makes optimization faster and easier, especially in collaborative environments. Activity diagrams make things easier - you can quickly visualize ways to shorten your critical path, chunk subprocesses together, and more. With long chains of processes and decisions, optimization can get difficult. They help you understand how complex systems can be optimized. This makes it easy to visualize processes, including complex ones, and understand or explain them. With activity diagrams, you can easily see all the decisions and sub-activities an activity is made up of. They show you the sequence of actions and decisions that go into a larger activity. Benefits of activity diagramsĪn activity diagram has a number of benefits. It’s commonly used by project managers, team leads, business users, etc. It’s a tool that system designers and managers can get more value from. In contrast, an activity diagram gives you a high-level view of processes and their subprocesses. It’s about describing ways to get work done. A flowchart tells people (and robots) what they should do at each point in an activity by demonstrating the flow of objects. The difference is perspective and application. and management.Īt first glance, an activity diagram can look a lot like a flowchart. A diagram like this is often used to plan, implement, and optimize processes in I.T. It shows the actions, subprocesses, and decisions that constitute a larger activity. What is an activity diagram?Īn activity diagram is a visual representation of a process or system. Keep reading to learn more about what an activity diagram is and how you can use our template to create one. Use it to optimize, explain, onboard, and more. This template is a fast, easy way to start your first (or next) activity diagram. It’s a simple way to analyze processes or share them with someone else visually. Want a bird’s-eye view of everything that happens in your organization, department, or system? We’ve got you.Īctivity diagrams are powerful visual tools that break down large processes and process chains into small, bite-sized activities.
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