Explain about SMIL code writing in HTML?

Explain about SMIL code writing in HTML?

- The HTML+SMIL profile allows to integrate a subset of SMIL specification with HTML.

- It has SMIL modules for supporting animation, objects, content control, and timing.

- SMIL features are directly integrated with HTML and CSS.

- SMIL can be used to manipulate HTML and CSS features.

- SMIL modules can be implemented using document definition and / or schema