Rooms are usually organized by topic to allow people with similar interests to meet and talk. Depending on where the web page is posted, the address can be either simple or complex. Can take the form of e-mail, computer programs, sound files, pictures, etc. Be careful when you download from an unknown source as it may contain a virus which can damage your computer. Often used to move files between internet sites.
Some sites have public repositories of material that can be accessed or downloaded.
An example would be a university. Establishes a protocol between two computers that allows the transfer of information. Text that appears in color on a web page and allows the user to move directly from one site to a linked site. This is your connection to the internet for which you pay a service fee. Common ISP's are Prodigy, AOL, SNETnet, etc.