It helps you estimate the resources, costs, and risks involved in delivering your project on time and within ... create and update your project network diagram, calculate the activity durations ...

and the methods to calculate them using a network diagram and a Gantt chart. Float and slack are two terms that measure the amount of flexibility or buffer time that a task has in a project schedule.

Project networks give you a visual map of the relationship between different tasks in your latest project. To create a network diagram ... gives you the expected time for each activity.