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Information and Data Flow Diagrams (Forms of Information (Written…
Information and Data Flow Diagrams
Forms of Information
Written Descriptions
Tables
Charts
Diagrams
Storyboards
Infographics
Dashboards
Information Flow Diagrams
Squares for key parts
Arrows to show how info flows
Label arrow with what info is being transferred
Data Flow Diagrams
Symbols
Oval for person, organisation or other system which sends or receives info
Square for process or function
Rectangle for file or database
Arrow for data or information flow shown by direction of arrow
What it shows
How data is processed
What data is stored
Who or where data from the system is output to
Who or where input data comes from
How data flows around the system
Never draw a data flow line between two entities
Data always goes to or comes from a process