This Template is uses to link to the [[:Category:{{{2}}} Codex|{{{2}}} Codex]] page. In most cases it'll be used inside {{Languages}} template for Multilingual Codex.
{{{{{1}}}|Article|Separator|Label}}
This "Language Template" template is used to describe a language template, such as {{fr}}, {{es}}, {{he}}, {{ru}} and others.
{{Language Template|{{PAGENAME}}|Language Name|Language Local Name|Codex Main Page name in your language}}
NOTE: Template name ({{PAGENAME}}), Language Name and Language Local Name are based on languages/Names.php.