Item code is most always a function of how the function looks?
First look at the input to the function: be sure to clarify the meaning of each parameter
Output:
What features are:
Inside those projects. File calls the function.
There is patience, we must be patient and read on.
I was driven to find the breakthrough, a .c file to get to know the functions, global search, .c file to see those calls, and then you can point to the line, wired-to-face, to grasp the entire file.