Polity Atlas
Knowledge Atlas · Reference

Glossary & ontology

Terms are defined once and translated with care — terminology must survive translation intact.

O
Ochlocracy
Rule by the mob; in Polybius's account, the degenerate form into which democracy decays when violence and demagogues replace law.
Off-world governance
Rules, institutions and legal authority for human activity and settlement beyond Earth, including the Moon, Mars and orbital habitats.
Oligarchy
Rule by a small number of people; in Aristotle's classification, the deviant form of rule by the few, in which the wealthy or well-born rule in their own interest.
Ostracism
An Athenian procedure by which citizens could vote to banish a prominent person for ten years without a trial and without loss of property.
Ostrom's design principles
Eight features Elinor Ostrom found in long-enduring institutions for governing common-pool resources.
Outer Space Treaty
The 1967 treaty that bars national appropriation of outer space and celestial bodies, keeps states responsible for their private space activities, and limits military use of the Moon and other bodies.