Synchronized Multimedia Integration Language (SMIL) is an XML-based markup language designed for creating multimedia presentations with synchronized elements. It enables the integration and synchronization of different media types, including audio, video, text, images, and animations, to produce interactive and visually engaging presentations.

Key features and functionalities of SMIL include:

Synchronization: SMIL provides mechanisms to synchronize the display and timing of multimedia elements, ensuring a cohesive and coordinated presentation.

Layout and Positioning: SMIL allows for the layout and positioning of multimedia elements on a web page or in a presentation, providing flexibility in design and arrangement.

Interactivity: SMIL supports interactivity by enabling events and user interactions to trigger actions, transitions, or media playback.

Cross-Platform Compatibility: SMIL content is designed to be compatible with various devices and platforms, allowing for a consistent multimedia experience across different environments.

SMIL is used in various applications, including web-based presentations, multimedia streaming, digital signage, and interactive educational content, providing a powerful tool for creating engaging multimedia experiences.