Department,Job,Position creation process flow with example in ax 2012 r3

i need some base information how to configure the Department,Job,Position in ax 2012 r3 CU11.

Am new to HRMS module.will you able to provide the Department,Job,Position  creation process,document with example.it will help me a lot to understand and proceed further.

My points

1.Creation of Department,Job,Position.

2.In AX we have worker details,now we are going to implement  Department,Job,Position after that we need to assign the position to Employee.

pls help me.

Thanks in Advance.