We've implemented a cool little bit of concurrency in the preceding example, but without a lot of the details about what we were doing behind the scenes. Let's spend a little bit of time really exploring and explaining each portion of the Elixir concurrency model. We'll define each term used and showcase a little bit of how to use each of them, in the hopes that this chapter becomes a handy little quick guide for how to implement different concurrency constructs in Elixir!