# Using Euno

This section covers day-to-day usage of Euno features and how to get the most out of your data catalog.

## Sections

### 🧭 [Data Model Screen](https://docs.euno.ai/using-euno/data-model-screen)

Learn how to use the Euno interface, search for resources, and explore your data model.

### 📋 [Context Issues](https://docs.euno.ai/using-euno/context-issues)

Capture missing context and institutional knowledge, and learn how it maps to metadata tags and AI instructions.

### 📖 [Data Glossary](https://docs.euno.ai/using-euno/data-glossary)

Define and manage business terminology and definitions, organized by domains.

### 👟 [Euno Query Language (EQL)](https://docs.euno.ai/using-euno/euno-query-language-eql)

Learn how to write EQL queries to filter and find resources in your data model.

### 💥 [Impact Analysis](https://docs.euno.ai/using-euno/impact-analysis)

Analyze the impact of changes before you make them.

### ⚡ [Metadata Activation](https://docs.euno.ai/using-euno/metadata-activation)

Turn passive metadata into automated actions with workflows and data model sync.

### 📈 [Usage & Cost Optimization](https://docs.euno.ai/using-euno/usage-optimization)

Understand how your resources are being used and identify optimization opportunities.

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## Quick Links

* [Data Model Screen](https://docs.euno.ai/using-euno/data-model-screen) - Main interface for exploring resources
* [Context Issues](https://docs.euno.ai/using-euno/context-issues) - Missing context and institutional knowledge
* [Data Glossary](https://docs.euno.ai/using-euno/data-glossary) - Business terminology and definitions
* [EQL Documentation](https://docs.euno.ai/using-euno/euno-query-language-eql) - Query language reference
* [Impact Analysis](https://docs.euno.ai/using-euno/impact-analysis) - Understand change impact
* [Metadata Tags](https://docs.euno.ai/using-euno/metadata-activation/metadata-tags) - Organize resources with tags
* [Metadata Activation](https://docs.euno.ai/using-euno/metadata-activation) - Automation features
* [Usage Overview](https://docs.euno.ai/using-euno/usage-optimization) - Why usage data matters