For the Gantt chart you need to think through all the tasks involved in your project. The process will include working out who is responsible for each task and how long the task will take. One should also include the problems a team may encounter. A detailed thinking will help ensure that a designed schedule is workable, and that the right people are assigned to the right task. The Gnatt chart should also include workarounds to potential problems that may occur. In real life scenarios regardless of how well things seemed to be planned an issue always arises somewhere along the line. The chart will also help you determine the minimum time it will take to deliver and which tasks need to be priority. It will help determine the critical paths which involve the sequence of tasks that must individually be completed on time for the success of the project. It may also be used to keep a team or sponsors informed of the progress of the project at a given time. Simply put teams that I have participated in used the chart to display schedule changes, consequences and to communicate the completion of certain tasks.