The purpose of this article is to showcase templates in a way that can be inspected using the Edit Source feature. Many of these templates can be customized or used for personal pages. This should act as a reference for how templates can be used and/or changed. For specific information on what templates are used on what articles, see NBITTRPG Wiki:Manual of Style/Templates.
If you would like to experiment with templates somewhere, go to your User Page and go to the URL. Add "/sandbox" to the end of it and create a page there. You can edit this page however you wish.