I'm honestly not sure where mini-services, micro-services, nano-services, and service oriented architecture begin or end relative to each other. So a micro ser

I'm honestly not sure where mini-services, micro-services, nano-services, and service oriented architecture begin or end relative to each other. So a micro service is 2 pizzas. Maybe for just a plain service you can have up to a a pizza party's worth of people. But you can only have up to 10 nano services per sandwich before they become pico-services?