The document introduces the Zend Framework. It discusses that the framework is a collection of PHP classes based on PHP 5 best practices. It aims to simplify common tasks, provide a starting point for applications, and demonstrate PHP 5 best practices. The framework strives to make PHP competitive with other technologies and provide clear licensing for commercial use. It uses a BSD style license. The document discusses various features of the framework like MVC support, input filtering, mail sending, searching and more. It aims to achieve "extreme simplicity" in its design.