What do you mean by balancing DFDs? Draw context diagram and data flow diagrams for online movie rental system that allows its users to watch movies online.

--- Balancing DFDs refers to the consistency that must be maintained between a parent DFD and its child DFD (exploded diagram) when decomposing a process into more detail. - Every data flow entering or leaving a process on a higher-level DFD must also appear on the corresponding lower-level (chil...