Amit Kumar Saha wrote:

>  The others were about the commercial
> products that uses that concept of "glyphs". Though i got a vague idea
> of what it was, but more information is desired.

Most systems used for creating visual effects for movies are node-based, 
and have been for over a decade. Look at Nuke 
( or Shake 
( for current examples.

David Hodson  --  this night wounds time
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