What type of chart best illustrates the timeline of project tasks and their dependencies?

A Gantt chart is specifically designed to illustrate the timeline of project tasks alongside their dependencies. It visually represents tasks as bars along a timeline, making it easy to see when each task is scheduled to start and finish, along with how the tasks relate to one another. This graphical representation allows project managers and teams to quickly assess progress, manage resources, and identify potential scheduling conflicts.

Unlike other chart types, such as pie charts that depict parts of a whole, flowcharts which represent processes or workflows, and bar charts that compare quantities, a Gantt chart focuses on the schedule and dependencies of specific tasks within a project. This makes it the most effective tool for tracking project timelines and overlapping tasks, enhancing overall project management efficiency.