Below are some tips on how to manage granularity within workflow diagrams, use-cases, and component creation. Each of these work products are notoriously difficult to size.

A partial list of the work products that lead to system components are:

[requirements]
CONCEPT MODEL: A model of the concepts in the business, sometimes presented as a glossary.
WORKFLOW: How work moves through the business and what processes are performed to accomplish the work.
USE-CASE: The activities and interactions with the system required to do the work.
[System Components]
MANAGER: Encapsulates the complexity within the scope of a core use-case.
ENGINE: Encapsulates the complexity around…

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