In addition to including URLs to clips, a SMIL file can use other Ram and SMIL files as sources. This lets you update a sequence of clips frequently by changing a simple RAM file, rather than your main SMIL file, for example.

SMIL BASICS

Sample File	Description	Featured Illustrated	Reference
ramsourceaudio.smil	A SMIL file plays three audio clips listed in a Ram file. The SMIL file is used to open HTML pages in RealOne Player.	A Ram file listing audio clips used as a SMIL source clip.	click here
ramsourcevideo.smil	A SMIL file plays three video clips listed in a Ram file. SMIL is used to center each video on top of a graphic image.	A Ram file listing video clips used as a SMIL source clip.	click here
smilsource.smil	The main SMIL file plays two SMIL source files in sequence. Each source file plays a text clip and a video clip in parallel.	SMIL files used as source clips by another SMIL file.	click here