ram question?? please help!!!

[cuben]

ok please help me what these numbers mean on the ram
?-?-?-? 1t 2.6v cl?

so the ? means numbers, for instance 3-4-4-8 1t 2.6v at cl3
what does each number stand for?? I know the lower the number the better but what does each mean starting left to right

 

[jamestime88]

wheres the link to the RAM FAQ.........

its the first sticky at the top of the page.
its titled "memory FAQ"