Answer:
A Gantt chart is primarily used for project management. Project managers use it frequently for effective project handling. A Gantt Chart enables the following: Easier task scheduling.The triple constraint theory, also called the Iron Triangle in project management, defines the three elements (and their variations) as follows:
Scope, time, budget.
Scope, schedule, cost.
Good, fast, cheap.
A proven methodical life cycle is necessary to repeatedly implement and manage projects successfully.