# Page Not Found

The URL `language/hoon/reference/rune/col` does not exist.

You might be looking for one of these pages:
- [: col · Cells](https://docs.urbit.org/hoon/rune/col.md)
- [Convenience functions](https://docs.urbit.org/hoon/lagoon/conv.md)
- [% cen · Calls](https://docs.urbit.org/hoon/rune/cen.md)
- [. dot · Nock](https://docs.urbit.org/hoon/rune/dot.md)
- [Conn.c Guide](https://docs.urbit.org/build-on-urbit/runtime/conn.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.urbit.org/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.urbit.org/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/hoon/rune/col.md`)
- Use `Accept: text/markdown` header for content negotiation