Templates
Templates enable reusable content. A template is just a page in the Template: namespace.
Creating a template
Create a page named Template:YourName. Add content like:
Hello {{{1}}}, welcome to {{{2|the wiki}}}!
Parameters are referenced as Template:{1} (positional) or Template:{name} (named). Template:{name} gives a default value when the parameter is omitted.
Transcluding a template
Use Template:YourName to render the template with arguments.
Examples
Infobox:
{{Infobox
| title = Page Title
| image = File:photo.jpg
| caption = A photo
}}
Navigation:
{{Navbox|prev=Prev Page|next=Next Page}}
Self-transclusion
A template can invoke itself, but infinite recursion is prevented (max depth 8). Circular references are detected and broken.