Question about spreadsheet download

[Coachbulldog]

I downloaded the CSV version of the depth charts and I have no idea what the following column headings mean. Any help cluing me in will be appreciated.

posty
posly
is_fa
pripos (I assume this is primary position, but double checking to be sure)

[RAY@HQ]

Position this year (based on 20-gm qualification, I believe)
Position last year (based on 20-gm qualification)
Is free agent?
Primary position

[Coachbulldog]

Thank you for responding.


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