Std variables 0p_csdat,0I_DAYS use

I am using the std queries of cube 0ic_c03
Like valuated stock query(0IC_C03_Q0006) in this query 0calday is restricted with varaible0p_csdat(enter any data to select all dates in the last 12 months)what does it mean
Material range coverage(0IC_C03_Q0018) query 0calday is restrcited with 0I_DAYS
Calendar day, period, required – 365 days
What does this mean
Pls run these quereis & let me know the answer

Maya,
   Check the below link...
Re: Stock overview query
Similarly, 0I_DAYS also represents an interval with from and to dates.

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