1. The document provides definitions for web browser, world wide web, websites, search engines, downloading, and computer file systems. 2. It explains that a web browser allows you to access websites on the World Wide Web and lists popular browsers and search engines. 3. Steps are provided for using a web browser to search for and download files from websites by selecting and transferring them to your computer's file system or storage devices. 4. A simple method is described to create folders on your computer desktop as part of your file system by right clicking and selecting "New" then "Folder."