# Page Not Found

The URL `activities/terms-and-definitions` does not exist.

You might be looking for one of these pages:
- [Terms & definitions](https://docs.pdap.io/about/terms-and-definitions.md)
- [Label new Data Sources](https://docs.pdap.io/activities/data-source-annotation.md)
- [Terminology](https://docs.pdap.io/about/terms-and-definitions/terminology.md)
- [Web scraping](https://docs.pdap.io/activities/web-scraping.md)
- [Work on Data Request projects](https://docs.pdap.io/activities/volunteer-for-data-requests.md)

## How to find the correct page

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

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/about/terms-and-definitions.md`)
- Use `Accept: text/markdown` header for content negotiation