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== Key Components == === GenServer === [[File:OTP-GenServer.png|thumb|alt=GenServer Image|GenServer Image]] A fundamental component of OTP is the **GenServer**, short for **Generic Server**. It is an abstraction that enables developers to build **stateful** and **concurrent** processes. GenServers handle incoming messages and manage their internal state, making them a powerful tool for building **asynchronous systems**. === Supervisor === The **Supervisor** is responsible for managing the **lifecycle** of child processes, including the ability to start, restart, and stop them. By organizing processes into **supervision trees**, applications can gracefully recover from failures and automatically restart failed components without affecting the overall system. === Application === An OTP **Application** defines the **structure** and **behavior** of an Elixir system. It consists of a set of supervised processes, configuration options, and dependencies. Applications can be started and stopped as separate entities within a larger system. === OTP Behaviors === [[File:OTP-Behaviors.png|thumb|alt=OTP Behaviors Image|OTP Behaviors Image]] OTP provides **behaviors**, which are generic programming interfaces that define **common patterns** for implementing specific functionality in Elixir applications. Behaviors, such as `GenServer` and `Supervisor`, provide a standardized way of implementing certain functionality and enable code reuse.
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