Application Insights uses several contextual properties for event correlation. The most generic one is Operation Id that allows us to analyze a series of events and traces as part of a single operation. Depending on the application type there can be additional correlation properties. »
Besides rich telemetry that is collected by Application Insights modules transparently for your applications you also want to make your custom tracing and logging messages part of the overall correlated diagnostics data so you could have even better insights into what's happening... »
It’s all about correlation and digestion of the captured data. An exception or a database call or a custom event they all happen as part of some sort of an operation. It can be a web request processing or a user performing... »