How To Write Data and Process Specifications

This KnowledgeKnugget is part of the 18 lecture eCourse “Data Flow Diagrams Simply Put!”. Take this self-paced course at
Prefer reading? Try the ebook version at .

DESCRIPTION (lectures 13 – 14)
This lecture builds on the previous lectures and assumes that you have a detailed Data Flow Diagram (DFD) and need to write process specifications for one or more processes. You will learn techniques for writing detailed process specifications. In the second part of the lecture this course teaches how to create data specifications that the solution providers / developers need to develop your IT solution.

Lectures 13 – 14 answer questions like:

1. What business value do detailed process specifications offer?
2. How can I express detailed specifications for processes and data?
3. What is “metadata” and why do you need it?


This KK is part of an eCourse (view course description and outline at In this course you will learn the answers to these questions:
• What is a Data Flow Diagram (DFD) and what does it do for you?
• What is the difference between a Rigorous Physical Process Model and a Context-Level DFD?
• What symbols can you use on each type of diagram?
• What is the business value of exploding or levelling a DFD?
• What is a simple approach for drilling down into a process?
• How can you show the 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 detailed process specifications offer?
• How can you 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?

To view more IT requirements training, visit the Business Analysis Learning Store at

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