Navigation in Hypertext
Concept maps present visually the relationship of related ideas. Concept maps can be created in circular format, flow chart, timelines, images representing natural objects, or an outline.
A concept map from Tim Berners-Lee's original World-Wide Web proposal, a hypertext system called the "Mesh", presented in 1989.
The center, subject of the concept map can be an author (Tennyson, Darwin), chronological or period term (eighteenth century, Victorian), idea or movement (realism, feminism), or other concept (biblical typology, cyborg) [Landow].