sap fi/co

hi sap gurus,

I have just entered in to sap fi/co world, i am not able to understand where to start from to have good idea, i need some assistance in that aspect, please help me out with proper material and important things to be remember. My education Qualification is M.Com finance. And I have just joined the sap fi/co certification course.

Thanks in Advance.

Regards,

Rakesh.