https://www.mural.co/blog/context-diagrams
https://www.geeksforgeeks.org/system-design/context-diagrams/
https://analysisfunction.civilservice.gov.uk/policy-store/an-introductory-guide-to-mcda/
https://thesystemsthinker.com/behavior-over-time-diagrams-seeing-dynamic-interrelationships/
https://www.cdc.gov/pcd/issues/2018/17_0254.htm#2
https://www.scribd.com/document/127087834/Behavior-Over-Time-Graphs
Context diagrams are high level visual representations that show the interactions between a system being developed and it’s external entities, such as users, other systems or processes. They provide a big picture view oh how the system fits into it’s environment without diving into the internal details of the system itself
Another name for a context diagram is a contextual level data flow diagram or a level-0 data flow diagram.