Capacity Load fields Calculation

Hi Experts,

I need to find out how these below field values are calculated in capacity load form of the resource group. Please Help me on this

1)Oper.reserved
2)Job Reserved
3)Reserved

Thanks in Advance,
Mark.

Do you have access to a development environment, so you can look at the definitons
What is the name of the form?
Which version of AX are you using? Do you need answers for both D365FO and AX 2012, as your tags suggest?