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This KnowledgeKnugget is part of the online course “Data Flow Diagrams Simply Put!”. View the full course description and outline at Udemy https://bit.ly/Udemy-DFD. Prefer reading? Try the book version at https://bit.ly/BAX-DFD DESCRIPTION: Getting from someone’s explanations of how they do their job to usable and accurate workflow descriptions can be a daunting proposition. In this 8 minute KnowledgeKnugget™ (KK™), recognized business analysis expert Tom Hathaway explains what a DFD is, which symbols are allowed, and what each symbol means. A good DFD is the baseline for identifying problems and defining the requirements for any solution from the business perspective. ABOUT THE COURSE: This course answers the following questions: • What is a Data Flow Diagram (DFD)? • What is a Rigorous Physical Process Model? • What is a Context-Level DFD? • Why should I use Data Flow Diagrams? • What symbols can I use on each type of diagram? • How can I drill down into a process? • How can I show internal processes and flows that produce the results? • What does balancing a Data Flow Diagram mean and what is the business value? • What is the most efficient approach to balancing a DFD? • What business value do process specifications offer? • How can I express detailed specifications for processes and data? • What is “metadata" and why do you need it? • What does a fully balanced DFD look like? • What value does a DFD fragment provide? SIGN UP for the full course today at http://businessanalysisexperts.com/pr.... To view more IT requirements training, visit the Business Analysis Learning Store at http://businessanalysisexperts.com/bu.... #dfd #requirements #businessprocess #diagram #data #processmanagement #businessanalyst #businessanalystcourse #businessanalysis #requirements #dataflow Chapters: 0:00 - Introduction to Data Flow Diagrams Introduction to the topic of data flow diagrams, their significance, and components in business analysis. 0:47 - The Importance of Diagrams in Business Processes Discussing the necessity of diagrams like DFDs in accurately describing workflows and business processes. 1:22 - Data Flow Diagrams in Business Process Modeling Explaining how DFDs are suitable for modeling business processes, especially in terms of data creation and consumption. 1:52 - The Concept of Input and Output in Business Processes Describing how business processes require inputs to create valuable outputs, forming part of an organization's value chain. 2:23 - Symbols and Conventions in Data Flow Diagrams Introducing the basic symbols used in DFDs and their meanings, including the conventions for naming processes and data flows. 2:52 - Detailed Explanation of DFD Symbols Further elaboration on the symbols used in DFDs, including processes, data flows, data stores, and external entities. 3:26 - Naming Conventions in Data Flow Diagrams Discussing how to name different components in a DFD, such as processes and data flows. 4:01 - The Role of Data Stores and External Entities Explaining the concept of data stores and external entities in DFDs and their significance in the diagrams. 4:24 - External Entities in Data Flow Diagrams Clarifying the role of external entities in DFDs and their relationship with the business process being analyzed. 4:55 - Levels of Detail in Data Flow Diagrams Describing how DFDs can represent processes at varying levels of detail and the concept of 'exploding' processes to reveal more information. 5:26 - Detailed Analysis of Processes in DFDs Discussing the process of drawing detailed DFDs to understand internal data flows and data stores. 5:53 - Multiple Purposes of Data Flow Diagrams Explaining the various purposes of creating DFDs, including analyzing current processes and planning for future IT projects. 6:21 - Principal Uses of Data Flow Diagrams in IT Projects Discussing how DFDs are primarily used to identify, document, and communicate requirements in IT projects. 6:53 - Advantages of Data Flow Diagrams Highlighting the benefits of using DFDs over textual explanations, including the promotion of effective communication and questioning. 7:27 - Avoiding Project Failures with Data Flow Diagrams Concluding with the importance of DFDs in preventing project failures by identifying missing components in the early phases.