Evaluating the thesaurus approach Proponents of thesaurus-style lexical models bold that the relations. that One word has to others at least partly determines the word's sense, In other words, no meaning exists in a vacuum,. instead. meanings are created through relations. Box diagrams. show these relations within the semantic field. Spaces are "carved out" for individual lexemes, and one can imagine the. "tension" between words at their boundaries,