This kind of chart is a Time Scheduling Chart. It shows the list of employees and periods of their absence during working hours.
This is an activity-oriented chart. It allows to see a branchy system of constraints between tasks and the progress for every single scheduled task.
This sample highlights the abilty of Gantt chart to show work Plan versus Actual work done, along with progress display, task connections and Milestones.
This sample demonstrates the usage of resource Gantt charts, and also it utilizes styles for a resource visualization.