what are the components of a gantt chart 
a gantt chart can vary in complexity and depth but will always have three key components activities or tasks that are to be done running along the y axis milestones or progress stages indicated along the x axis either on the top or bottom of the chart and progress bars denoted as horizontal bars denoting how far along each task is at any given point the bottom linea gantt chart is a visual description of a project s timeline the chart shows the start and end dates of a project s components such as resources and planning if you are involved in a project it is recommended to use a gantt chart to help organize the various tasks within the project 