The core part of Spring that handles user authentication and authorization by managing security-related beans.

The core part of Spring that is responsible for managing only database connections and transactions.

The core part of Spring that is responsible for managing all the beans, including their lifecycle, dependencies, and configuration. It provides dependency injection and inversion of control to the application.

The core part of Spring that handles user interface components and interactions in desktop applications.

The core part of Spring that is responsible for executing business logic and processing user requests in web applications.