Standard process flow diagram symbols and their usage. Input and output symbols show where and how data is coming in and out throughout your process. Provide a visual representation of basic flowchart symbols and their proposed use. They can also be used in other industries, for example the mining and metallurgical industries, where they are used to describe production processes and auxiliary systems. The text inside the square or rectangle usually includes a verb. This shape is used to merge multiple processes that result in extracted processes. Compressor is a mechanical device that takes in a medium and compresses it to a smaller volume. Guide to flowchart symbols, from basic to advanced gliffy. Typically, a flowchart shows the steps as boxes of. There are two different types of approaches to symbols in data flow diagrams. Process symbols are also commonly called flowchart symbols, flowchart shapes or flow diagram symbols. It documents sections that share similar componentsrepeated steps within that flow, and requires the use of the following two symbols. The flow reference symbol acts as a placeholder for the flow area sequence in the chart in every situation in which it is repeated. It shows steps in sequential order and is widely used in presenting the flow of algorithms, workflow or processes.
These process symbols can be put in the following categories. Process symbol square or rectangle this is also known as an action symbol as this shape represents an action, a process, or a function. Flowchart tutorial with symbols, guide and examples. Find out about twentythree process mapping symbols in an agile and intuitive way and their meanings. Flowchart solution is number of diagraming stencils including special set of flow chart symbols such as. Basic flowchart symbols and meaning flow chart symbols. Manual loop, a sequence of commands that continually repeats until. These symbols come from the unified modeling language or uml, which is an international standard for drawing process maps. Symbol name alias description data io the data flowchart shape indicates inputs to and outputs from a process. A gateway is used to split or merge multiple process.
The merge symbol is more common for this use, though. Flowchart symbols and meaning provides a visual representation of basic flowchart symbols and their proposed use in professional workflow diagram, standard process flow diagram and communicating the structure of a welldeveloped web site, as well as their correlation in developing online instructional projects. This symbol and the or symbol are really more relevant in data processing flow diagrams than in process flowcharts. Process flow diagram symbols equipment pumps and tanks come in a variety of designs and shapes. Process symbols are also commonly called flowchart symbols, flowchart shapes or. See flowcharts symbols by specifics of process flow diagram symbols and workflow diagram symbols. In the yourdon and coad way, processes are depicted as circles, while in the gane and sarson diagram the processes are squares with rounded corners. It is the most widely used symbol in flow charting. Example scenario includes the step in a login process where a user is prompted to enter data manually.