This cinema system context data flow diagram depicts the project's overall "flow" of data. It is used to record data transformations (input-output) for project development. DFD levels 0, 1, and 2 comprise the cinema system context data flow diagram. It also defines the entire system using entities, processes, and data. A consumer can use an online movie ticketing system, a digital platform, to access a company's services, reserve seats, and purchase tickets. This website offers information on various topics, such as movie times, seat availability, and movie previews. Start working on your data flow diagrams for different scenarios using the free templates provided by EdrawMax.