A hyperlink is a word or phrase which is
connected to a destination page.

    page           page           page    
 text text      text text      text text  
    link         text text      text text 
  text text        link        text text  
 text text       text text      text text 
                                          
It may also be connected to a viewer
function such as "Exit" or "BackTrack" or
to a popup definition, such as this one.

hyperlink