In Angular, data binding is a mechanism that allows data to flow between the component and its view. Data binding provides a way to update the view in response to changes in the component's state and vice versa.

There are three types of data binding in Angular:

Interpolation: Interpolation is a one-way data binding from the component to the view. It allows you to display dynamic values in the view by embedding them in a template string. The syntax for interpolation is {{ expression }}.

Property binding: Property binding is a one-way data binding from the component to the view. It allows you to bind a property of a DOM element to a property of the component. The syntax for property binding is [property]="expression".

Event binding: Event binding is a one-way data binding from the view to the component. It allows you to bind a DOM event to a method of the component. When the event is triggered, the method is called. The syntax for event binding is (event)="expression".

Angular also supports two-way data binding, which allows data to flow in both directions between the component and the view. The syntax for two-way data binding is [(ngModel)]="expression".

Overall, data binding is a powerful feature of Angular that allows developers to create dynamic and responsive applications by binding the component's state to the view. It simplifies the development process, improves the code quality, and enhances the user experience.