A gant chart is a schedule which plots the tasks, people responsible for these tasks, and a timeline. Gant charts are useful as they allow the team to look at the architecture (structure) of the project and easily identify responsibilities. The gant chart can serve as a document that people use in their planning as a visualization tool to see how tasks depend on each other. The basic format of a gant chart consists of a listing of tasks on the left hand side, followed by the start date, number of days to complete, and a finish date. Each.