Function analysis
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FAST Diagram as Defined in SAVE International®
What is FAST Diagram? A graphical representation of the dependent relationships of functions within a project, product, or process. The components of a FAST diagram consist of the scope lines; the labeled “How,” “Why,” “When,” and “Subject Scope” arrows; the classified functions, including basic functions, required secondary functions, secondary functions, unwanted secondary functions, higher-order functions,…
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Why Use Function Analysis?
When we go to the store, do we buy things or do we buy what those things will do for us. Of course, we buy what something does for us and how well it does what we want it to do. That includes performance, quality, and selling features like attractiveness, taste, feel, or smell. Finally,…