# Ch01-Understanding-OpenClaw

- [1.1 What is OpenClaw: The Design Philosophy of a Personal AI Assistant](/en/ch01-understanding-openclaw/1.1-what-is-openclaw.md)
- [1.2 OpenClaw's Core Architecture Overview](/en/ch01-understanding-openclaw/1.2-core-architecture-overview.md)
- [1.3 Technology Stack Overview](/en/ch01-understanding-openclaw/1.3-technology-stack-overview.md)
- [1.4 Project Directory Structure in Detail](/en/ch01-understanding-openclaw/1.4-project-directory-structure.md)