Dart is a client-optimized programming language developed by Google, widely recognized for its role in building applications with Flutter. Introduced in 2011, Dart combines features of both object-oriented and functional programming, offering strong typing, asynchronous programming support, and a rich standard library. Dart's versatility extends beyond mobile development, serving as a powerful language for web, server-side, and command-line applications, making it a valuable tool for a diverse range of software development projects.