In addition, we use language not only as a vehicle for factual information exchange; speakers may realise all sorts of other intentions with their words: They may want to convince others to do or buy something, they may want to induce a particular emotion in the addressee, and so forth.
in their model of interpersonal language (the Linguistic Categorization Model), Semin and Fiedler (1988) make a distinction between different kinds of verbs and their position on the concrete-abstract dimension.