Interactive features allow users to control electronic devices like smartphones, tablets, and computers. They include abilities like zooming in/out, clicking links, changing volume, and navigating pages. Combining different interactive elements like audio, video, graphics, and links provides users with control over their experience and enhances learning. For example, a video with audio explaining a topic allows readers to both see and hear information for deeper understanding. Interactive features give users flexibility to customize their experience through control elements like navigation tools.