A synchronoptic view is a graphic display of a number of entities as they proceed through time. A synchronoptic view can be used for many purposes but is best suited to the visual display of history. A number of related timelines can be drawn on a single chart showing which events and lives are contemporary and which are unconnected.
A synchronoptic view has important educational advantages. Visible information is much more easily learned, than when it is presented only in pure text form.
The concept in question is made visual — hence optic. The elements are displayed synchronously: i.e. which events in one area happened at the same time as events in another seemingly unrelated area. Thus synchron-optic.
Synchronoptic also means visible at the same time", or "with parallel views". i.e. The user gets a view of all the information in one go.