release procedure

hi all,

in po release strategy what is the exact meaning of all these option.

pls explain in detail

1 Cannot be changed 2 Changeable, no new determination of strategy 3 Changeable, new release in case of new strategy

4 Changeable, new release in case of new strat. or val. change

5 Changeable, new release if new strategy/outputted

6 Changeable, new rel. if new strat. or value change/outputted

regards

sumit