README not clear

How does the config differ between the complex (for something like http) and the simple (for something like events)? Additionally, what does the asterisks denote next to each Node builtin?

Start with the README sections describing complex configurations such as http, simple configurations such as events, and the Node builtins marked with asterisks. Clarify how the two configuration styles differ and document what the asterisks mean; the README should answer both questions directly.

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