Beginner help & perl

i have a perl script which i need explaining,the script is full of subroutines which i dont understand,there is also sql statements in them too i need the script explained to me in simple english i will need email support form you a few days to do this. ## Deliverables Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. Complete copyrights to all work purchased. ## Platform perl