It's also an advanced diagramming software and vector graphics drawing tool, which you can use to build flowcharts, org charts, network diagrams, floor plans, family tree diagrams, general ...

Mary Bouquet, Family Trees and Their Affinities: The Visual Imperative of the Genealogical Diagram, The Journal of the Royal Anthropological Institute, Vol. 2, No. 1 (Mar., 1996), pp. 43-66 ...