This document discusses Visual Studio Code and how it can be used as a lightweight code editor in the cloud. It provides an overview of VS Code's features like IntelliSense, debugging, source control integration, and support for multiple programming languages. It also explains how VS Code connects to language servers to provide richer editing capabilities. Examples of language servers mentioned are OmniSharp for C# and the TypeScript server. The document also briefly introduces Azure services that can be used to deploy and host apps developed in VS Code.