Gantt

One bar per piece of work, with length standing for duration and position standing for when it runs. Stacking the bars makes two things obvious that a task list hides: which work overlaps, and where a bar has nothing after it for a while. A bar that starts late for no visible reason is usually waiting on something you have not drawn yet.

One bar per piece of work, with length standing for duration and position standing for when it runs. Stacking the bars makes two things obvious that a task list hides: which work overlaps, and where a bar has nothing after it for a while. A bar that starts late for no visible reason is usually waiting on something you have not drawn yet.

Example

Best when several pieces of work run over one span and you want to see overlap, idle stretches, and which piece is actually long.