Different types of WAS profiles in Ver 6.0 , 6.1 & 7.0

In WAS Ver 6.0 we have 3 profiles
1) DMGR Profile,
2) Appserver Profile
3) Custom Profile

Whereas in WAS Ver 6.1 we have 4 profiles
1) DMGR profile,
2) Appserver profile
3) Custom profile
4) Cell profile

And in WAS Ver 7.0 we have 7 profiles
1) DMGR profile,
2) Appserver profile
3) Custom profile
4) Cell profile
5) Administrative agent profile
6) Job manager profile
7) Secure proxy profile