The decomposition of a DFD into lower level DFDs is known as levelling
{"Image DocumentName": "The decomposition of a DFD into lower level DFDs is known as levelling", "Image ImageDescription": "Data Flow Diagrams. Decomposing Data Flow Diagrams. The decomposition of a DFD into lower level DFDs is known as levelling. The DFD that shows the entire system is known as the \u2018top level\u2019 or \u2018level 1\u2019 DFD. The DFDs that contain more detailed views of the level 1 processes make up \u2018level 2\u2019 DFDs. Any level 2 process that is further decomposed gives rise to a level 3 DFD and so on.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}