Superb introduction to VID:        http://www.red-by-example.org/vid.html#1

A Nice Introduction to DRAW:     http://www.red-by-example.org/draw.html#1

The SERIES datatype explained:  http://www.red-by-example.org/series.html#1

Code is data:  https://github.com/red/red/wiki/Why-do-I-have-to-copy-series-values%3F

Red official documentation:       https://doc.red-lang.org/en/

Official Red downloads page:    http://www.red-lang.org/p/download.html

Official Red programming site: http://www.red-lang.org/