This document introduces Ruby on Rails (RoR) as a web development framework. It discusses key RoR concepts like MVC architecture, Active Record for object-relational mapping, and migrations for managing database changes. It provides resources for learning RoR, including downloading Ruby and Rails, using version control systems like Subversion, and recommended books and articles. The document emphasizes that RoR aims to increase productivity through conventions over configuration and generating code through scaffolds and templates.