#control.relation  a relation of constraint of one entity (thing or person or group) by another; "measures for the control of disease"; "they instituted controls over drinking on campus"
  subtype:  #prevention.control  control by preventing the occurrence of something; "money was allocated to study the cause and prevention of influenza"
  supertype:  #relation  an abstraction belonging to or characteristic of two entities or parts together
     supertype:  pm#thing_that_can_be_seen_as_a_relation  usable as relation type
        supertype:  pm#thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
           supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes #control.relation; click here to add one.