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This field is a toggle that sets the state of your flow to production or development. Functionality is the same as Deployment for forms. 

Setup Key/Saved/Summary

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Fields 

This setting controls which fields are saved to the built-in submissions repository. By default, all your data is saved as an XML document. This is the most efficient way to store/access your data both in terms of speed as well as storage. However, if you prefer to view your data via the submissions user interface, you can choose which fields are saved in addition to the XML data. Note that this could incur significant performance overhead and will also consume additional storage in the repository.

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