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# Understanding Dynamic Elements

## Introduction

CustomFit.ai helps you create multiple variants of your App(mobile/web) by dynamically controlling its every element(UI, Data & Logic), making it custom-fit to your users.

Dynamic Element is a Key/Data pair that lets you:

1. **Data & Content:** Deliver variations data to configure every part of the product experience.
2. **UI & UX:** Control what to show, how to show & when to show. Modify colors, themes, banners, and any other attributes remotely.
3. **Behavior:** Make the app behavior customized by dynamically controlling the actions and reactions.
4. **Localize:** Personalize the connect your app depending on the various location params. Even you can convert the app into vernacular instantly.
5. **Custom Logic:** You can write custom functions or webhooks to derive the value of elements at the runtime based on the current context.


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