I have facts but im no sure there true help!!

OK i been reading post for two days and and did make me understand on hoow to copy DC games

You cannot brn a Original DC GAMe
But some how you can how is thAT?
now i heard about some cables pc-dc whats that all about?
another thing how can you not brn an original but have backup copys? and also if you cant copy original what can you copy?
now i use 3 programs Apdaptec, Nero, and CD Copy i havent yet got disc juggler wich i been reading that its a good cd-r program? wich one is best and how do you burn game?