Other categories include business (with entities such as employers, industries, and employees), biology, space flight, and many more, and include representations – such as graphs, timelines, and tables – of how they are connected.
其他相关类别包括商业（含雇主、行业和雇员等实体）、生物、航天和其他很多领域，还包括阐明其相互关系的描述——如图示、时间安排和表格。