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.