... treatment of m a n y m o r e uses of noun phrases Research Objectives The analysis presented in this paper represents one of the first steps toward a plan-based account of definite and indefinite noun ... warning, etc Therefore, understanding one of the definite or indefinite noun phrases under consideration in this paper is assumed to entail recognition of what concept activation action the speaker ... along the horizontal axis of Figure There are really' two kinds of definite referring actions: one is that in which the precondition is mutual knowledge of a description and the other in which there...