This text offers an interdisciplinary account of reference and categorization within the framework of cognitive linguistics. Central issues are the distinction between lexical vagueness and polysemy as well as the creation of new meanings in English and German. Polysemy is resolved by a computational implementation in a machine-translation system.

The common aim of the contributions to this volume is to shed light on the communication of conceptual structures. The papers investigate how speakers rely on the same cognitive dispositions in three different areas of transfer: in the lexicalization of metonymies and metaphors; in intercultural communication; and in expert-lay communication.

A reconsideration of the semantics of a lexical category prepositions that has recently witnessed a plethora of investigations. The volume approaches the issue first from a more general perspective, namely the extent to which insights into the meaning of prepositions give clues to the semantic struc