> For the complete documentation index, see [llms.txt](https://bbc.gitbook.io/bbc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bbc.gitbook.io/bbc/2.0-project-structure-and-ecosystem.md).

# 2.0 Project structure and ecosystem

- [2.1 Platform Main Functions Development](https://bbc.gitbook.io/bbc/2.0-project-structure-and-ecosystem/2.1-platform-main-functions-development.md)
- [2.2 Technical Architecture and Security](https://bbc.gitbook.io/bbc/2.0-project-structure-and-ecosystem/2.2-technical-architecture-and-security.md)
- [2.3 Ecosystem composition](https://bbc.gitbook.io/bbc/2.0-project-structure-and-ecosystem/2.3-ecosystem-composition.md)