Describe Magento’s event-observer architecture.

Answer: Magento’s event-observer architecture allows for a decoupled way to extend and customize functionality by responding to specific events that occur within the system. Events are dispatched at various points in the code, and observers can be defined to listen for these events and execute custom logic when they occur. This architecture promotes modularity and reusability, enabling developers to add or modify behavior without altering core code, thereby enhancing maintainability and upgradeability of the platform.

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