Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Caelum veter. - region of the fixed stars
         (Constellation) Draco veter. - Dra
           (Star system) μ Draconis - Alrakis
             170519.7+542813 (Star) μ Draconis A
             170519.8+542813 (Star) μ Draconis B