Six modules under Product management bundle need to know specific feature set under which module ?

Summary:

Need to know the below functionality included under which module from the Product management Six modules :

Innovation Management-Product Development-Product Hub-Quality Management-Product Lifecycle Management (PLM)-Configurator Modeling (Product Configuration)

1- Item Definition

2- Item Approval

3- Item Rule Sets

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Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):