A flow diagram is a visual representation of a process that uses arrows and shapes to illustrate the order of actions. There are a variety of synonyms for this term that can be used interchangeably, depending on the context. A flowchart, an organizational chart, and a process map are all similar terms that refer to a flow diagram. A decision tree and a mind map are also related concepts, but with slightly different functions. Additionally, a swimlane diagram and a workflow diagram are commonly used in business and manufacturing settings to describe processes and systems. In essence, all of these terms refer to a visual representation of a process that helps to illustrate the steps involved.