entity
anything that can be considered, discussed, or observed
object
anything that may be observed or acted upon by a subject
union
entity resulting from the act of combining several entities to form one; effect of the action of joining or uniting
source
entity (person, place, text, thing, etc.) from which something (information, goods, etc.) comes or is acquired
referent
entity referred to; especially entity to which a word or phrase or other symbol refers
origin
place or instant of apparition of something; intellectual reconstruction from the causal event supposed to be founding it, sometimes fixed arbitrarily or defined conventionally instead of by observation
abstract entity
entity that does not have a physical existence, including abstract objects and properties
something
uncertain or unspecified entity
substance
basic ontological concept
named entity
real world object such as persons, locations, organizations, products, etc, that can be denoted with a proper name; it can be abstract or have a physical existence
unobservable entity
entity whose existence, nature, properties, qualities or relations are not directly observable by humans
unknown
entity whose identity is not known
result
final consequence or product of a sequence of actions or events
individual entity
entity, be it a thing, a person or any other agent, which is identifiable by its determined characteristics, as contrasted to a class whose characteristics may be varying among its instances
checks and balances
Mechanisms which distribute power throughout a political system – preventing any one institution or individual from exercising total control