The Help site is severely lacking in explaining internal field function. It would be extremely helpful to have an "internal field dictionary" we could reference. Perhaps add this information to the fields on the API site so one is clear when working on reporting/text code.
Other users, please also see this other post and upvote as well! https://support.workfront.com/hc/en-us/community/posts/115006938828-Provide-a-robust-reporting-platf...