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The diagram emphasizes events that cross the system boundary from actors to systems. A system sequence diagram should be done for the main success scenario of the use case, and frequent or complex alternative scenarios. There are two kinds of sequence diagrams: Sequence Diagram (SD): A regular version of sequence diagram describes how the ...
Control flow diagram, a diagram to describe the control flow of a business process, process or program; Cumulative flow diagram, a tool used in queuing theory; Functional flow block diagram, in systems engineering; Data flow diagram, a graphical representation of the flow of data through an information system; Dynamic stock and flow diagram
Common alternative names include: flow chart, process flowchart, functional flowchart, process map, process chart, functional process chart, business process model, process model, process flow diagram, work flow diagram, business flow diagram. The terms "flowchart" and "flow chart" are used interchangeably. The underlying graph structure of a ...
Process map shows the processes as objects, which means it is a static and non-algorithmic view of the processes. It should be differentiated from a detailed process model, which shows a dynamic and algorithmic view of the processes, usually known as a process flow diagram. [1]
1838 map of pre-railroad cargo traffic in Ireland, one of the first thematic maps to use proportional symbols. The earliest known map to visually represent the volume of flow were two maps by engineer Henry Drury Harness, published in 1838 as part of a report on the potential for railroad construction in Ireland, showing the quantity of cargo traffic by road and canal.
The modern Functional Flow Block Diagram was developed by TRW Incorporated, a defense-related business, in the 1950s. [6] In the 1960s it was exploited by NASA to visualize the time sequence of events in space systems and flight missions. [7] FFBDs became widely used in classical systems engineering to show the order of execution of system ...
Deployment flowcharts consist of a sequence of activity steps, as well as the interactions between individuals or groups. [1] Each participant in the process is displayed on the map (which is constructed as a matrix) - tasks/activities are then articulated in sequence under the column corresponding to that stakeholder.
Data flow diagram with data storage, data flows, function and interface. A data-flow diagram is a way of representing a flow of data through a process or a system (usually an information system). The DFD also provides information about the outputs and inputs of each entity and the process itself.