Where would I learn how to interpret the following in mirc.ini?

[cnicks]
n0=,4,@%+,,0,1,0,0,60
n1=,1,@,,0,0,0,0,0
n2=,1,+,,0,0,0,0,0
n3=,1,,,0,1,0,0,0
n4=,1,@%+,,0,1,0,0,0

Haven't had a lot of luck just Googling.

Thanks!