A Gantt chart is a visual representation of a project schedule. A type of bar chart, a Gantt charts show the start and finish dates of the different required elements of a project.
A Gantt chart is constructed with a horizontal axis representing the total time span of the project, broken down into date and a vertical axis representing the tasks that make up the project. Horizontal bars of varying lengths represent the sequences, timing, and time span for each task. For example, draw a bar on the graph that represents the amount of time you expect to spend on the research, and then enter the other tasks below the first one and representative bars at the points in time when you expect to undertake them. The bar spans may overlap. Gantt charts give a clear illustration of project status, but one problem with them is that they don't indicate task dependencies. You cannot tell how one task falling behind schedule affects other tasks.
Here are some examples of Gantt chart:
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| Example 1 |
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| Example 2 |
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| Example 3 |
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