It’s really simple, actually. This app auto-generates flow diagrams from screenshots, ... Those of you who work in UX design, for example, will find this truly helpful to create visual guides.

Example 5.12: Schematic Diagrams ... Three ID variables are used to specify the text that is to be placed within each node. The flow diagram is shown in Output 5.12.1. data dataflow; input a $ b $ id1 ...