Natura - nature
   actualia - actual entities
     Mundus Plinius - physical world
       Astra Plinius - celestial bodies
         Universe
           (Supercluster) Virgo-Hydra-Centaurus Supercluster
             (Supercluster) Virgo Supercluster
               (Cluster) Local Group
                 (Galaxy) Milky Way Galaxy veter.
                   (Spiral arm) Orion Arm
                     (Region) Local Bubble
                       Local Interstellar Cloud
                         (Planetary system) Solar System
                           (Planet-satellite system) Earth System
                             (Planet) Earth veter.
                               "spheres" (Earth)
                                 (Sphere) Biosphere (Earth) - zone of life
                                   "geopolitical regions"
                                     (Region) World
                                       (Region) Pacific Ocean
                                         (Region) Oceania
                                           (Region) Pacific Islands
                                             (Region) Micronesia (Oceania)
                                               (Territory) Northern Mariana Islands (United States)
                                                 1 (Municipality) Northern Islands (Northern Mariana Islands)
                                                 2 (Municipality) Saipan (Northern Mariana Islands)
                                                 3 (Municipality) Tinian (Northern Mariana Islands)
                                                 4 (Municipality) Rota (Northern Mariana Islands)