In order to understand email addresses, telnet addresses, and ftp addresses, a user needs to understand the basic concept of internetworking--that all Internet interfaces and utilities will connect their desktop box to one or more machines located across the room or across the world. In order to capture and save valuable information, the user must understand the concept of files and directories--during a gopher session, a user may view a file without saving it to any local machine. In order to do this, the user must understand how to transfer, name, and how to access and manipulate the information again later. In order for the user to conduct a successful information search, they must understand the search logic of the system or software--does it accept Boolean operators? Can I use regular expressions in my search query? Will this utility simply match the first string I enter?