# Overview

## Who Should Read This

- **Developers integrating with ENSDb** — Understand the schema structure to write effective queries
- **DevOps operators running ENSNode** — Understand how ENSDb behaves during different indexing phases
- **Anyone building custom ENSDb Writers or ENSDb Readers** — Learn the architecture for implementing the ENSDb standard

## Core Concepts

Understanding these fundamentals will help you work effectively with ENSDb, whether you're querying data, integrating with third-party services, or operating an ENSNode instance.

[Glossary](/docs/services/ensdb/concepts/glossary)

[Database Schemas](/docs/services/ensdb/concepts/database-schemas)

## Next Steps

[Integrations](/docs/services/ensdb/integrations)