This Train Tickets Reservation DFD is frequently used as a preliminary step to create an overview of the railway reservation without going into great detail, which can be elaborated on later. It usually consists of overall application dataflow and railway reservation processes. It contains all user flows and their entities, such as train flow, train schedule, train route, customer, payment, etc. This Train Tickets Reservation DFD was used to visualize data processing and structure the railway reservation process and working flow.
