Sequence Diagrams!! They are awesome. You get to see all the entities involved in the architecture and how they interact with each other. Also https://sequence

Sequence Diagrams!! They are awesome. You get to see all the entities involved in the architecture and how they interact with each other. Also https://sequencediagram.org/ https://sequencediagram.org/ allows you to describe them in text and creates a diagram for you. Its what I have been using.