From IAOA Wiki


1. [Natural Language] (
  • A word or phrase used to describe a thing or to express a concept, especially in a particular kind of language or branch of study.
  • (Logic) A word or words that may be the subject or predicate of a proposition.
2. [BFO2.0] A noun or noun phrase, understood as a linguistic sign, that is utilized to represent some entity in the world. ([ Arp et al., 2015 ])