ArangoDB is a multi-model database that allows users to store and manage data in various formats, including documents, graphs, and key-value pairs. This flexibility enables developers to work with complex data relationships and structures without needing multiple databases. Built on a distributed architecture, ArangoDB offers high performance and scalability, making it suitable for applications of all sizes. It supports a powerful query language called AQL (ArangoDB Query Language), which simplifies data retrieval and manipulation across different data models, enhancing overall efficiency.