These templates are used to generate boilerplate messages (e.g. '{{mainlist}}') or otherwise enumerate and display messages (e.g. '{{equation}}') which are ordered or related to a list in some manner, including lists arranged as info or navigation boxes (e.g. {{lists of poets}}).
To include a template in this category, add <noinclude>[[Category:List templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the last character of the code.