Interfaces doubts

[ssrappstech]

Hi every body
addmin send to me one link about interfaces tha its bellow send to u

topic.asp?whichpage=-1&TOPIC_ID=1906
this is have only tables but i need detailed information like

what r the tables and there columns and join condition?
what r the validationsu have done where flexfield info will be stored
and kff info will be stored?
what is the segment structure in gl interface?
like this i need full details
plese can u give what r the interfaces availble in GL, AP, AR
explain me
I am waiting fou u r replyee