Template:Elementheader
This template only serves to create a header for an Element declaration. It is called with a single parameter "type", which will be shown, and also put into a semantic property to define what the type of the Element is:
{{Elementheader |type=}}
It looks a bit like this:
Element type
This Element is of type: {{{type}}} (for a definition of Element type {{{type}}}, click [[Element type {{{type}}}|here]]).