2-3-3-7-1T: What do these type of ratings refer to?

[CrazyHelloDeli]

Ok, I get the first number is CAS Latency(Which I still dont fully understand), but the rest of these specs mean nothing to me. Could someone tell me what they refer to, and maybe a description of what it means? Thanks.

 

[Viper96720]

memory timing analysis

 

[brianp34]

thanks for the link, i'd always wondered about that myself