circuit

There are two kinds of panels that contain diagrams in Coreograph: circuit and infrastructure. Learn more about these

There are likewise two special nodes for calling these kinds of circuits: circuit and infrastructure respectively. The call to perform above is a circuit special node. Hovering over the call node itself (as opposed to hovering over one of its ports as we did above), the node category can be seen:

A circuit contains executable logic, what we might call the business logic of the application. It is ultimately compiled into machine code that runs in the cloud environment, as a serverless function (e.g. Lambda) or in a container (e.g. a Fargate task).