Data flow diagram
Data sources and destinations, in flows, out flows and storage.
Data sources and destinations, data flows, transformation processes and data stores.
Data stores and destinations, transforming processes and data flows.
Data processes, data flows, storage and destinations.
Data sources and destinations
Data flow diagrams
Internal control flowcharts
An analytical technique used to describe the data flows and sources and destinations and data stores of a system.
An analytical technique used to describe some aspect of an information system in a clear, concise, and logical manner.
A piece of hard plastic used to draw symbols.
A graphical description of the flow of data within an organization and the processes performed on that data, as well as the sources and destinations of data.