I don't have access to the specific context about "Template:G8 nations" that you're referring to. Without being able to see the actual template content or documentation, I cannot accurately write an overview based only on what you've provided. To help you, could you share the template content or description that you'd like me to base the overview on?
AI-generated from the Wikipedia summary — may contain errors.
Template documentation
This template's initial visibility currently defaults to autocollapse, meaning that if there is another collapsible item on the page (a navbox, sidebar, or table with the collapsible attribute), it is hidden apart from its title bar; if not, it is fully visible.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).