4 Ways to Display Your Project's Schedule
Combined WBS, Responsibility Assignment Matrix, and Gantt chart
You may combine two or more formats into a single display. Have a look at the combined WBS, Responsibility Assignment Matrix, and Gantt chart (in which triangles represent milestones) for the picnic-at-the-lake example.
In addition to requiring less paperwork to prepare and being easier to update and maintain than separate information documents, a combined display can provide greater insight into the plan by presenting two or more aspects together for ready comparison.