- L -   LAN -- See Local Area Network.   leased line -- A permanently established connection between computers over a dedicated phone line which is leased from a telephone carrier. See also dedicated line.   line noise -- Static over a telephone line that interferes with network communications.   link -- A highlighted word or picture within a hypertext document that when clicked bring you to another place within the document or to another document altogether. See also hyperlink.   list server -- An automated mailing list distribution system. List servers maintain a list of email addresses to be used for mass emailing. Subscribing and unsubscribing to the list is accomplished by sending a properly formatted email message to the list server.   Local Area Network -- (abbreviation: LAN) A group of computers at a single location (usually an office or home) that are connected by phone lines or coaxial cable.   LOL -- Abbreviation for Laughing Out Loud.   loop -- A programming technique of creating a series of repeating actions. Usually, there is some event specified as part of the loop which triggers the ending of the repetitious action.   lurk -- To hang out in an area without directly participating. For example, when you're new to a discussion group or chat room, it's a good idea to lurk and become familiar with its scope and general rules before posting. Lurking is perfectly acceptable in cyberspace; the negative connotations of the standard English usage does not apply. See also "delurk".