MOSS Design concepts "Content Types vs. Page Layout" with Master Pages

Hi Folks,

Very useful post for understanding MOSS Design Concepts including :

1) Master Pages Design for Sites and Sub Sites.
2) Content Types.
3) Page Layout.
4) Relation between the content types and page layouts.


http://www.heathersolomon.com/blog/articles/MOSS07DesignComponents.aspx

Regards,
Mostafa arafa