Description: Data models in software development are structural representations that define how data is organized and managed within an application. These models allow developers to establish how data is stored, manipulated, and presented in the user interface. In many frameworks, data models are fundamental to the framework’s reactivity, meaning that any change in the data is automatically reflected in the view, and vice versa. This is achieved through a two-way data binding system, which facilitates synchronization between the model and the view. Data models can include simple properties, such as strings and numbers, as well as more complex structures like objects and arrays. Additionally, many frameworks allow for the creation of custom data models through the use of components, providing great flexibility and scalability in application development. The ability to define and manage data models efficiently is essential for building interactive and dynamic applications, making various frameworks popular choices among web developers.