# Page Not Found

The URL `subject-knowledge-areas/specification/image.png` does not exist.

You might be looking for one of these pages:
- [Specification](https://docs.gdf.ai/gdf-full-stack-engineering/subject-knowledge-areas/specification.md)
- [Specifying Elements](https://docs.gdf.ai/gdf-full-stack-engineering/subject-knowledge-areas/specification/specifying-elements.md)
- [Specifying Languages](https://docs.gdf.ai/gdf-full-stack-engineering/subject-knowledge-areas/specification/specifying-languages.md)
- [Automated Testing](https://docs.gdf.ai/gdf-full-stack-engineering/subject-knowledge-areas/verification/automated-testing.md)
- [Specifying API Specs](https://docs.gdf.ai/gdf-full-stack-engineering/subject-knowledge-areas/specification/specifying-api-specs.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/gdf-full-stack-engineering/subject-knowledge-areas/specification.md`)
- Use `Accept: text/markdown` header for content negotiation