<P> A Gantt chart is a type of bar chart that illustrates a project schedule . Gantt charts illustrate the start and finish dates of the terminal elements and summary elements of a project . Terminal elements and summary elements comprise the work breakdown structure of the project . Modern Gantt charts also show the dependency (i.e., precedence network) relationships between activities . Gantt charts can be used to show current schedule status using percent - complete shadings and a vertical "TODAY" line as shown here . </P> <P> Although now regarded as a common charting technique, Gantt charts were considered revolutionary when first introduced . This chart is also used in information technology to represent data that has been collected . </P>

What is gantt chart in software project management