you are likely to find Debris in/at/on Orbit. Orbit is a synonym of Scope. Horizon is a type of Scope. Horizon is part of Perspective. 
Commissioner is a type of Member. Commissioner is a type of Worker. Worker is a type of Insect. Insect is related to Tiny. 
Debris --AtLocation--> Orbit <--Synonym--> Scope <--IsA-- Horizon --PartOf--> Perspective 
Member <--IsA-- Commissioner --IsA--> Worker --IsA--> Insect <--RelatedTo--> Tiny 