---
title: Core Concepts
description: An overview of the core concepts of WunderGraph.
hideTableOfContents: true
fullWidthContent: true
isIndexFile: true
---

Here's an overview of the core concepts of WunderGraph.

{% quick-links %}
{% quick-link title="API Namespacing" icon="core" href="/docs/core-concepts/api-namespacing" description="API Namespacing allows you to combine multiple GraphQL Schemas without naming collisions." /%}
{% quick-link title="Virtual Graph" icon="core" href="/docs/core-concepts/virtual-graph" description="The Virtual Graph is a concept to represent your composed virtual Graphs." /%}
{% quick-link title="The `_join` field" icon="core" href="/docs/core-concepts/_join-field" description="The _join field allows you to make JOINs across APIs easily." /%}
{% /quick-links %}
