Free Slack is the number of days that an activity can have before it starts delaying the next (successor) activity.
Total Slack is the number of days that activity can have before it starts delaying the whole project.
Some activities can be done simultaneously while some are dependent on other activities so slack time for activities which are crucial for starting other activities is very low or sometimes even none. Saving Changes...
Anonymous
In a venture, plan/arrange outline, the measure of time that an action can be postponed without deferring the venture finishing date.
A free float is the measure of time that an action can be postponed without deferring the encouraging start of its successor action.
