The Four Pillars of Data Observability

Tormwiches sophe, observability, telemetry in datase. You told me about four pillars. What is that? Could you just briefly touch upon that, for sure? Well, before that, even though data is ultimately produced by either a human interacting with a machine, or a machine producing data, and that is manipulated and presented through other machines. There are some properties that make it so that we can't take the concept wholesale. We have to rather use them as inspiration.