This document discusses setting up a local web server for WordPress development. It explains that a local web server allows testing plugins and themes without needing a public server. It describes the components needed - a web server like Apache or Nginx, PHP, and a database like MySQL. Options for getting these components on your computer include WAMP, LAMP, and MAMP stacks. Specific stack options mentioned are BitNami, XAMPP, WampServer, and MAMP. The document also covers checking port usage and using a database search and replace script when migrating a WordPress site.