It allows you to organize your on-demand assets from inside the Unity Editor while you're developing your game, and its runtime API lets you load and unload assets dynamically while users are playing your game. Unity's Addressables system is a dynamic asset management solution that provides your users with only the assets they need, when they need them.
Have you ever wanted to create a mobile game that performs well on almost any device? What about adding downloadable content (DLC) or having holiday-themed content for your game? This is where the Addressables system can help.