Dart is designed to be used for building web, server, and mobile applications, with a strong focus on performance and scalability.

One of the key features of Dart is its ability to compile to both native code and JavaScript, making it versatile for a variety of platforms. This allows developers to write code once and run it on multiple platforms without having to rewrite everything from scratch. Dart also comes with a comprehensive standard library that provides a wide range of tools and utilities for developers to use in their projects.

The Dart programming language specification provides detailed information on the syntax, semantics, and rules of the language. It covers everything from basic data types and operators to more advanced features like classes, functions, and asynchronous programming. The specification is regularly updated to ensure that developers have access to the latest features and improvements in the language.

In addition to the specification, Dart also has a vibrant community of developers who contribute to the language's development through open-source projects, forums, and conferences. This community-driven approach has helped Dart evolve into a powerful and versatile language that continues to gain traction in the programming world.

Overall, Dart is a powerful and flexible programming language that is well-suited for building modern web and mobile applications. With its robust standard library, versatile compilation options, and active community, Dart is a great choice for developers looking to create high-performance applications for a variety of platforms.