1. Alternatively referred to as a nick or handle, an alias is an alternate name for a computer, object, person, group, or user. Usually used to replace long names or to keep your own name private. For example, in chat Computer Hope uses the alias "MrHope" and "Computerhope".
3. When referring to a display aliasing or anti-aliasing is the smoothness along text and other graphics. See our anti-aliasing definition for further information on this term.