Diagrams can serve to document, analyze, audit, or model a better way. In chemical engineering or process engineering: A Process Flow Diagram (PFD) is a type of flowchart that illustrates the relationships between major components at an industrial plant.At a more involved level, it’s targeted at the people who will implement the process, giving sufficient detail to enable precise implementation In business: Business Process Modeling and Notation (BPMN) is targeted at participants and other stakeholders in a business process to gain understanding through an easy-to-understand visual representation of the steps.Diagramming the process can uncover steps that might otherwise be missed or not fully understood. Business analysts use DFDs to analyze existing systems and find efficiencies. In software engineering and business analysis: Data flow diagrams (DFDs) can provide a focused approach to technical development, in which more research is done upfront to get to coding.In any field: A flowchart, which can take various forms, can be used to document and analyze a process standardize a process for efficiency and quality communicate a process for training or understanding by other parts of the organization and identify bottlenecks, redundancies and unnecessary steps in a process and improve it.These are used widely in various fields for various purposes. These symbols represent specialized pieces of diagrams such as process flow diagrams, business process modeling, data flow diagrams, and many more. Visio includes a big library of shapes/symbols used in dozens of diagram types. If appropriate for your needs, Visio can indeed produce slick, useful diagrams of all types, and these can provide the professional look you want for presentations, reports, audits, building plans, floor plans, documentation, and modeling better ways to do things. (More on that at the end of this article.) Or you could use software that is free or less expensive but still powerful, such as, which also works on Macs. Given Visio’s cost, a hand-drawn diagram may suit your purposes, or you might turn to the basic diagram functions in MS Word. Visio can be used in a variety of settings to create professional-looking diagrams.

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