MetaData Definitions and Practices

I have been using digital capture devices since the crawled out of the R&D lab at Kodak in the mid 90’s, and watched the beginnings of MetaData evolve along with the transitions from simple capture files to the highly advanced raw files that we have today. That process included the capture device data, timing, geolocation, and environmentally attached information.

Question 1 is this, does PhotoStructure resolve primary capture data, and encapsulate that for reliable record keeping as well as managing a history of post production changes and the usage history of source imaging?

Question 2 is does it retain a history track on both raw source imagery and variants that are derived from the raw imagery ?

Question 3 is what raw source imagery types are fully supported and what raw processing procedures and plug ins are supported ?