How to create more Menu Item Type in Purity III quickstart?

I installed latest Purity III.
It gives 5 menu item type
xLayout - Blog Displays article introductions in a single or multi-column layout.
xLayout - Features Intro Displays article introductions in a single or multi-column layout.
xLayout - Glossary Displays article introductions in a single or multi-column layout.
xLayout - Magazine Displays article introductions in a single or multi-column layout.
xLayout - Portfolio Displays article introductions in a single or multi-column layout.

Please give me some suggestions for creating my menu item type - xLayout - MyPage
Thanks