What do Genelec models' coding and numbering mean?

Genelec product names are based on a coding and numbering structure that is detailed in the document below:

https://assets.ctfassets.net/4zjnzn055a4v/57YbCGUvu8aYAAyCG0eyEw/1ab3f4282717d57e5abc862439694387/genelec_products_coding_-_infographics.pdf