1. A method of organizing a collection of documents, the method comprising: storing entries in multiple dictionaries, wherein the multiple dictionaries are each associated with a different subject, wherein the entries contain descriptive terms and corresponding subject-determining-power scores, wherein an individual subject-determining-power score indicates the relative strength or weakness of the corresponding descriptive term with respect to the subject associated with a particular dictionary containing the entry, and wherein at least some of the descriptive terms are present in two or more of the multiple dictionaries; and accessing the collection of documents by associating particular ones of the descriptive terms contained in the collection of documents with one or more associated subjects of one or more of the multiple dictionaries containing the particular descriptive terms.