The grammatical person is deictic reference to the participant role of a referent, such as the speaker, the addressee, and others. Grammatical person typically defines a language's set of personal pronouns. It also frequently affects verbs, sometimes nouns, and possessive relationships as well. (http://en.wikipedia.org/wiki/Grammatical_person 17.11.06) Indication of grammatical person (1st, 2nd, 3rd, etc.) associated with a given inflected form. (ISO12620; http://www.isocat.org/datcat/DC-1328)